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Simplifying
2x2 + -15 = -15
Reorder the terms:
-15 + 2x2 = -15
Add '15' to each side of the equation.
-15 + 15 + 2x2 = -15 + 15
Combine like terms: -15 + 15 = 0
0 + 2x2 = -15 + 15
2x2 = -15 + 15
Combine like terms: -15 + 15 = 0
2x2 = 0
Solving
2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '2'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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