9x^2+12-6=x^2-7

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Solution for 9x^2+12-6=x^2-7 equation:


Simplifying
9x2 + 12 + -6 = x2 + -7

Reorder the terms:
12 + -6 + 9x2 = x2 + -7

Combine like terms: 12 + -6 = 6
6 + 9x2 = x2 + -7

Reorder the terms:
6 + 9x2 = -7 + x2

Solving
6 + 9x2 = -7 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
6 + 9x2 + -1x2 = -7 + x2 + -1x2

Combine like terms: 9x2 + -1x2 = 8x2
6 + 8x2 = -7 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
6 + 8x2 = -7 + 0
6 + 8x2 = -7

Add '-6' to each side of the equation.
6 + -6 + 8x2 = -7 + -6

Combine like terms: 6 + -6 = 0
0 + 8x2 = -7 + -6
8x2 = -7 + -6

Combine like terms: -7 + -6 = -13
8x2 = -13

Divide each side by '8'.
x2 = -1.625

Simplifying
x2 = -1.625

Reorder the terms:
1.625 + x2 = -1.625 + 1.625

Combine like terms: -1.625 + 1.625 = 0.000
1.625 + x2 = 0.000

The solution to this equation could not be determined.

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