x^2-x^2-2x-2x+4=40

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Solution for x^2-x^2-2x-2x+4=40 equation: 


Simplifying
x2 + -1x2 + -2x + -2x + 4 = 40

Reorder the terms:
4 + -2x + -2x + x2 + -1x2 = 40

Combine like terms: -2x + -2x = -4x
4 + -4x + x2 + -1x2 = 40

Combine like terms: x2 + -1x2 = 0
4 + -4x + 0 = 40
4 + -4x = 40

Solving
4 + -4x = 40

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -4x = 40 + -4

Combine like terms: 4 + -4 = 0
0 + -4x = 40 + -4
-4x = 40 + -4

Combine like terms: 40 + -4 = 36
-4x = 36

Divide each side by '-4'.
x = -9

Simplifying
x = -9

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