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Simplifying
3x2 = x2 + 88
Reorder the terms:
3x2 = 88 + x2
Solving
3x2 = 88 + x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1x2' to each side of the equation.
3x2 + -1x2 = 88 + x2 + -1x2
Combine like terms: 3x2 + -1x2 = 2x2
2x2 = 88 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
2x2 = 88 + 0
2x2 = 88
Divide each side by '2'.
x2 = 44
Simplifying
x2 = 44
Take the square root of each side:
x = {-6.633249581, 6.633249581}
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