Rozłóż na czynniki wielomiany metodą grupowania wyrazów :)
a)W(x)=16x3+16x2-4x-4
b)W(x)=3x3-7x2-27x+63
c)W(x)=10x3+15x2+8x+12
d)W(x)=-4x3+2x2-6x+3
e)W(x)=-12x3-32x2+3x+8
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w(x)=16x2(x+1)-4(x+1)=(16x2-4)(x+1)=(4x-2)(4x+2)(x+1)
W(x)=x2(3x-7)-9(3x-7)=(3x-7)(x2-9)=(3x-7)(x-3)(x+3)
W(X)=5x2(2x+3)+4(2x+3)=(2x+3)(5x2+4)
W(x)=2x2(-2x+1)+3(-2x+1)=(-2x+1)(2x2+3)
w(x)=-4x2(3x+8)+(3x+8)=(3x+8)(-4x2+1)=(3x+8(-2x+1)(2x+1)