－2y＋9-3y=5y+5怎麼解

－2y＋9-3y=5y+5怎麼解 y(y-2)²-y(y+3)(y-5) y=1/2 化简求值 y(y-2)²-y(y+3)(y-5) y=1/2 化简求值 y(y-2)²-y(y+3)(y-5) y=1/2 化简求值 4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11 [T,Y]=ode45(@rigid,[0 1],[rand(15,1)]);plot(T,Y(:,1),'-',T,Y(:,2),'-.',T,Y(:,3),'.',T,Y(:,4),'-',T,Y(:,5),'-.',T,Y(:,6),'.',T,Y(:,7),'-',T,Y(:,8),'-.',T,Y(:,9),'.',T,Y(:,10),'-',T,Y(:,11),'-.',T,Y(:,12),'-.',T,Y(:,13),'.',T,Y(:,14),'-',T,Y(:,15),'.') 2y+5/3y-6-y/2=5y-4/2y-4 2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1 解方程3y^2-(2y+1)(y-2)=(y-5)(y-1) 解方程：3y^2-(2y+1)(y-1)=(y-5)(y+1) 解方程：3y²-(2y+1)(y-2)=(y-5)(y+1) 2(3-2y)+3y =5求y y-(y-1)/2=1-(2y-3)/5 y-y-1/2=3-y+2/5 2y²-3y-5=0 求y 2y=3y+5求y在检验, 2y²-3y-5=0 求y 求微分方程y”-3y’+2y=5