因式分解2a(x²+1)²-8ax²

因式分解2a(x²+1)²-8ax²
因式分解2a(x²+1)²-8ax²

因式分解2a(x²+1)²-8ax²
2a(x²+1)²-8ax²
=2a【(x²+1)²-4x²】
=2a（x²+1+2x）（x²+1-2x）
=2a(x+1)²(x-1)²
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2a(x²+1)²-8ax²
= 2a[ (x²+1)² -4x²]
= 2a [ x^4 -2x² +1]
=2x ( x²-1)²
= 2x (x+1)²(x-1)²

因式分解
2a(x²+1)²-8ax²
=2a[(x²+1)²-4x²]
=2a(x²+1+2x)(x²+1-2x)
=2a(x+1)²(x-1)²