x^2-4x-32 factorise
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Answered by
28
X²-4X-32
X²-8X+4X -32
X(X-8) +4(X-8)
(X-8) (X+4)
X - 8 = 0. or X+4 = 0
X = 8 or X = -4
X²-8X+4X -32
X(X-8) +4(X-8)
(X-8) (X+4)
X - 8 = 0. or X+4 = 0
X = 8 or X = -4
Riyuuuuu:
I think u have done mistake in your signs plz see it
Answered by
18
x^2-4x-32=0
x^2-(8-4)x-32=0
x^2-8x+4x-32=0
x(x-8)+4(x-8)=0
(x-8)(x+4)=0
x-8=0 Or x+4=0
x=8 Or x=-4
I hope it will help you!!!!!
x^2-(8-4)x-32=0
x^2-8x+4x-32=0
x(x-8)+4(x-8)=0
(x-8)(x+4)=0
x-8=0 Or x+4=0
x=8 Or x=-4
I hope it will help you!!!!!
My pleasure
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