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Simplifying
-2x2 + 4 = -46
Reorder the terms:
4 + -2x2 = -46
Solving
4 + -2x2 = -46
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + -2x2 = -46 + -4
Combine like terms: 4 + -4 = 0
0 + -2x2 = -46 + -4
-2x2 = -46 + -4
Combine like terms: -46 + -4 = -50
-2x2 = -50
Divide each side by '-2'.
x2 = 25
Simplifying
x2 = 25
Take the square root of each side:
x = {-5, 5}
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