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

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Solution for (x-2)(x-1)=(x-2)(x+1) equation:



(x-2)(x-1)=(x-2)(x+1)
We move all terms to the left:
(x-2)(x-1)-((x-2)(x+1))=0
We multiply parentheses ..
(+x^2-1x-2x+2)-((x-2)(x+1))=0
We calculate terms in parentheses: -((x-2)(x+1)), so:
(x-2)(x+1)
We multiply parentheses ..
(+x^2+x-2x-2)
We get rid of parentheses
x^2+x-2x-2
We add all the numbers together, and all the variables
x^2-1x-2
Back to the equation:
-(x^2-1x-2)
We get rid of parentheses
x^2-x^2-1x-2x+1x+2+2=0
We add all the numbers together, and all the variables
-2x+4=0
We move all terms containing x to the left, all other terms to the right
-2x=-4
x=-4/-2
x=+2

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