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Simplifying
5x2 + -136 = 144
Reorder the terms:
-136 + 5x2 = 144
Solving
-136 + 5x2 = 144
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '136' to each side of the equation.
-136 + 136 + 5x2 = 144 + 136
Combine like terms: -136 + 136 = 0
0 + 5x2 = 144 + 136
5x2 = 144 + 136
Combine like terms: 144 + 136 = 280
5x2 = 280
Divide each side by '5'.
x2 = 56
Simplifying
x2 = 56
Take the square root of each side:
x = {-7.483314774, 7.483314774}
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