8x^2-66=6

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Solution for 8x^2-66=6 equation:


Simplifying
8x2 + -66 = 6

Reorder the terms:
-66 + 8x2 = 6

Solving
-66 + 8x2 = 6

Solving for variable 'x'.

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

Add '66' to each side of the equation.
-66 + 66 + 8x2 = 6 + 66

Combine like terms: -66 + 66 = 0
0 + 8x2 = 6 + 66
8x2 = 6 + 66

Combine like terms: 6 + 66 = 72
8x2 = 72

Divide each side by '8'.
x2 = 9

Simplifying
x2 = 9

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

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