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Simplifying
x2 * 8 = 78
Reorder the terms for easier multiplication:
8x2 = 78
Solving
8x2 = 78
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '8'.
x2 = 9.75
Simplifying
x2 = 9.75
Take the square root of each side:
x = {-3.122498999, 3.122498999}
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