8x^2-2-18=-15

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Solution for 8x^2-2-18=-15 equation: 


Simplifying
8x2 + -2 + -18 = -15

Reorder the terms:
-2 + -18 + 8x2 = -15

Combine like terms: -2 + -18 = -20
-20 + 8x2 = -15

Solving
-20 + 8x2 = -15

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 8x2 = -15 + 20

Combine like terms: -20 + 20 = 0
0 + 8x2 = -15 + 20
8x2 = -15 + 20

Combine like terms: -15 + 20 = 5
8x2 = 5

Divide each side by '8'.
x2 = 0.625

Simplifying
x2 = 0.625

Take the square root of each side:
x = {-0.790569415, 0.790569415}

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