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Simplifying
8x2 + -14 + -15 = 0
Reorder the terms:
-14 + -15 + 8x2 = 0
Combine like terms: -14 + -15 = -29
-29 + 8x2 = 0
Solving
-29 + 8x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '29' to each side of the equation.
-29 + 29 + 8x2 = 0 + 29
Combine like terms: -29 + 29 = 0
0 + 8x2 = 0 + 29
8x2 = 0 + 29
Combine like terms: 0 + 29 = 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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