分解因式a²-4(a-b)²还有:m²(x-1)+4(1-x)(2x-3y)²-4x²(3x+y)²-(3x-y)²(2a+b)²-(-2a-b)²9(a-b)²-16(a+b)²49(m-n)²-9(m+n)²

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 14:16:23

分解因式a²-4(a-b)²还有:m²(x-1)+4(1-x)(2x-3y)²-4x²(3x+y)²-(3x-y)²(2a+b)²-(-2a-b)²9(a-b)²-16(a+b)²49(m-n)²-9(m+n)²
分解因式a²-4(a-b)²
还有:m²(x-1)+4(1-x)
(2x-3y)²-4x²
(3x+y)²-(3x-y)²
(2a+b)²-(-2a-b)²
9(a-b)²-16(a+b)²
49(m-n)²-9(m+n)²

分解因式a²-4(a-b)²还有:m²(x-1)+4(1-x)(2x-3y)²-4x²(3x+y)²-(3x-y)²(2a+b)²-(-2a-b)²9(a-b)²-16(a+b)²49(m-n)²-9(m+n)²
a²-4(a-b)²
=(3a-2b)(2b-a)
m²(x-1)+4(1-x)
=(x-1)(m+2)(m-2)
(2x-3y)²-4x²
=-(4x-3y)3y
(3x+y)²-(3x-y)²
=12xy
(2a+b)²-(-2a-b)²
=0
9(a-b)²-16(a+b)²
=-(7a+b)(7b+a)
49(m-n)²-9(m+n)²
=(10m-4n)(4m-10n)
=4(5m-2n)(2m-5n)

a²-4(a-b)²
=[a+2(a-b)][a-2(a-b)]
=(3a-2b)(2b-a)
m²(x-1)+4(1-x)
=(x-1)(m²-4)
=(x-1)(m+2)(m-2)
(2x-3y)²-4x²
=(2x-3y+2x)(2x-3y-2x)
=-3y(4x-3...

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a²-4(a-b)²
=[a+2(a-b)][a-2(a-b)]
=(3a-2b)(2b-a)
m²(x-1)+4(1-x)
=(x-1)(m²-4)
=(x-1)(m+2)(m-2)
(2x-3y)²-4x²
=(2x-3y+2x)(2x-3y-2x)
=-3y(4x-3y)
(3x+y)²-(3x-y)²
=(3x+y+3x-y)(3x+y-3x+y)
=6x×2y
=12xy
(2a+b)²-(-2a-b)²
=(2a+b)²-(2a+b)²
=0
9(a-b)²-16(a+b)²
=[3(a-b)+4(a+b)][3(a-b)-4(a+b)]
=(7a+b)(-a-7b)
=-(7a+b)(a+7b)
49(m-n)²-9(m+n)²
=[7(m-n)+3(m+n)][7(m-n)-3(m+n)]
=(10m-4n)(4m-10n)
=4(5m-2n)(2m-5n)

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a²-4(a-b)²
=[a+2(a-b)]*[a-2(a-b)]
=(3a-2b)(2b-a)
m²(x-1)+4(1-x)
=m²(x-1)-4(x-1)
=(x-1)(m²-4)
=(x-1)(m+2)(m-2)
(2x-3y)²-4x²
=[(2x-3y)+...

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a²-4(a-b)²
=[a+2(a-b)]*[a-2(a-b)]
=(3a-2b)(2b-a)
m²(x-1)+4(1-x)
=m²(x-1)-4(x-1)
=(x-1)(m²-4)
=(x-1)(m+2)(m-2)
(2x-3y)²-4x²
=[(2x-3y)+2x]*[(2x-3y)-2x]
=(4x-3y)*(-3y)
=-3y(4x-3y)
(3x+y)²-(3x-y)²
=[(3x+y)+(3x-y)]*[(3x+y)-(3x-y)]
=6x*2y
=12xy
(2a+b)²-(-2a-b)²
=[(2a+b)+(-2a-b)]*[(2a+b)-(-2a-b)]
=0*(4a+2b)
=0
9(a-b)²-16(a+b)²
=[3(a-b)+4(a+b)]*[3(a-b)-4(a+b)]
=(7a+b)(-a-7b)
49(m-n)²-9(m+n)²
=[7(m-n)+3(m+n)]*[7(m-n)-3(m+n)]
=(10m-4n)(4m-10n)
=4(5m-2n)(2m-5n)

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a²-4(a-b)²
= (a+2a-2b)(a-2a+2b)
= (3a-2b)(-a+2b)
m²(x-1)+4(1-x)
= m²(x-1)-4(x-1)
= (x-1)(m²-4)
= (x-1)(m+2)(m-2)
(2x-3y)²-4x²
= ...

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a²-4(a-b)²
= (a+2a-2b)(a-2a+2b)
= (3a-2b)(-a+2b)
m²(x-1)+4(1-x)
= m²(x-1)-4(x-1)
= (x-1)(m²-4)
= (x-1)(m+2)(m-2)
(2x-3y)²-4x²
= (2x-3y+2y)(2x-3y-2y)
= (2x-y)(2x-5y)
(3x+y)²-(3x-y)²
= (3x+y+3x-y)(3x+y-3x+y)
= 6x*2y
= 12xy
(2a+b)²-(-2a-b)²
= (2a+b)²-(2a+b)²
= 0
9(a-b)²-16(a+b)²
= (3a-3b +4a+4b)(3a+3b-4a-4b)
= (7a+b)(-a-b)
= -(a+b)(7a+b)
49(m-n)²-9(m+n)²
= (7m-7n+3m+3n)(7m-7n-3m-3n)
= (10m-4n)(4m-10n)
= 4(5m-2n)(2m-5n)
 
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a²-4(a-b)²
=a²-[2(a-b)]²
=[a+2(a-b)][a-2(a-b)]
=(a+2a-2b)(a-2a+2b)
=(3a-2b)(2b-a)
m²(x-1)+4(1-x)
=m²(x-1)-4(x-1)
=(x-1)(m²-4)
=(x-1)(...

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a²-4(a-b)²
=a²-[2(a-b)]²
=[a+2(a-b)][a-2(a-b)]
=(a+2a-2b)(a-2a+2b)
=(3a-2b)(2b-a)
m²(x-1)+4(1-x)
=m²(x-1)-4(x-1)
=(x-1)(m²-4)
=(x-1)(m+2)(m-2)
(2x-3y)²-4x²
=(2x-3y+2x)(2x-3y-2x)
=(4x-3y)(-3y)
=-3y(4x-3y)
(3x+y)²-(3x-y)²
=[(3x+y)+(3x-y)][(3x+y)-(3x-y)]
=6x(3x+y-3x+y)
=6x*2y
=12xy
(2a+b)²-(-2a-b)²
=[(2a+b)+(-2a-b)][(2a+b)-(-2a-b)]
=(2a+b-2a-b)(2a+b+2a+b)
=0
9(a-b)²-16(a+b)²
=[3(a-b)]²-[4(a+b)]²
=[3(a-b)+4(a+b)][3(a-b)-4(a+b)]
=(3a-3b+4a+4b)(3a-3b-4a-4b)
=(7a+b)(-a-7b)
=-(7a+b)(a+7b)
49(m-n)²-9(m+n)²
=[7(m-n)]²-[3(m+n)]²
=[7(m-n)+3(m+n)][7(m-n)-3(m+n)]
=[7m-7n+3m+3n][7m-7n-3m-3n]
=[10m-4n][4m-10n]
=2[5m-2n]2[2m-5n]
=4[5m-2n][2m-5n]

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