I know this must be a basic factoring question but I don't get it. Somewhere in the solution below there is an error which leads to an end result of 1 = 2. I'm supposed to find where the error lies.(adsbygoogle = window.adsbygoogle || []).push({});

The factoring looks right. I think the error is in line three. you can only multiply or divide a factor (common factor between both sides) and can't subtract.... am I on the right track or just grasping at straws?

Thanks for any help

x = x

x^2 = x^2

x^2 − x^2 = x^2 − x^2

x(x − x) = (x + x)(x − x)

x = (x + x)

x = 2x

If we let x =1, then upon substitution we have

(1) = 2(1)

1 = 2

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# Factoring theory problem

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