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Simplifying
15 = 8x2 + -14
Reorder the terms:
15 = -14 + 8x2
Solving
15 = -14 + 8x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8x2' to each side of the equation.
15 + -8x2 = -14 + 8x2 + -8x2
Combine like terms: 8x2 + -8x2 = 0
15 + -8x2 = -14 + 0
15 + -8x2 = -14
Add '-15' to each side of the equation.
15 + -15 + -8x2 = -14 + -15
Combine like terms: 15 + -15 = 0
0 + -8x2 = -14 + -15
-8x2 = -14 + -15
Combine like terms: -14 + -15 = -29
-8x2 = -29
Divide each side by '-8'.
x2 = 3.625
Simplifying
x2 = 3.625
Take the square root of each side:
x = {-1.903943276, 1.903943276}
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