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Simplifying
x2 + x + -6 = x + -2
Reorder the terms:
-6 + x + x2 = x + -2
Reorder the terms:
-6 + x + x2 = -2 + x
Add '-1x' to each side of the equation.
-6 + x + -1x + x2 = -2 + x + -1x
Combine like terms: x + -1x = 0
-6 + 0 + x2 = -2 + x + -1x
-6 + x2 = -2 + x + -1x
Combine like terms: x + -1x = 0
-6 + x2 = -2 + 0
-6 + x2 = -2
Solving
-6 + x2 = -2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '6' to each side of the equation.
-6 + 6 + x2 = -2 + 6
Combine like terms: -6 + 6 = 0
0 + x2 = -2 + 6
x2 = -2 + 6
Combine like terms: -2 + 6 = 4
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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