Question

solve for x.
$(x - 1)(x - 4) = (x - 2)(x + 8)$
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Answer 1

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

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

x²-4x-x+4 = x²+8x-2x-16

x²-5x+4 = x²+ 6x-16

x²-x²+4+16 = 6x + 5x

20 = 11x

x = 20/11

x = 1.8181......

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