2x-5x=(2-x)2

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Solution for 2x-5x=(2-x)2 equation:



2x-5x=(2-x)2
We move all terms to the left:
2x-5x-((2-x)2)=0
We add all the numbers together, and all the variables
2x-5x-((-1x+2)2)=0
We add all the numbers together, and all the variables
-3x-((-1x+2)2)=0
We calculate terms in parentheses: -((-1x+2)2), so:
(-1x+2)2
We multiply parentheses
-2x+4
Back to the equation:
-(-2x+4)
We get rid of parentheses
-3x+2x-4=0
We add all the numbers together, and all the variables
-1x-4=0
We move all terms containing x to the left, all other terms to the right
-x=4
x=4/-1
x=-4

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