x^2+X-2=7+X

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Solution for x^2+X-2=7+X equation: 


Simplifying
x2 + X + -2 = 7 + X

Reorder the terms:
-2 + X + x2 = 7 + X

Add '-1X' to each side of the equation.
-2 + X + -1X + x2 = 7 + X + -1X

Combine like terms: X + -1X = 0
-2 + 0 + x2 = 7 + X + -1X
-2 + x2 = 7 + X + -1X

Combine like terms: X + -1X = 0
-2 + x2 = 7 + 0
-2 + x2 = 7

Solving
-2 + x2 = 7

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + x2 = 7 + 2

Combine like terms: -2 + 2 = 0
0 + x2 = 7 + 2
x2 = 7 + 2

Combine like terms: 7 + 2 = 9
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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