Question

(x - 1)(x + 4) = (x-2)(x+8)​

Answer 1

(X +1 )(x +4)=(x-2)(x+8)

X2 + 4x + x +4 = x 2 +8x -2x -16

X2 +4x +x - x2 -8x +2x = -16-4

- x = -20

So x = 20

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