x^2+8=9

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Solution for x^2+8=9 equation:


Simplifying
x2 + 8 = 9

Reorder the terms:
8 + x2 = 9

Solving
8 + x2 = 9

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + x2 = 9 + -8

Combine like terms: 8 + -8 = 0
0 + x2 = 9 + -8
x2 = 9 + -8

Combine like terms: 9 + -8 = 1
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}

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