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Simplifying
15x2 + -60 = -15
Reorder the terms:
-60 + 15x2 = -15
Solving
-60 + 15x2 = -15
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '60' to each side of the equation.
-60 + 60 + 15x2 = -15 + 60
Combine like terms: -60 + 60 = 0
0 + 15x2 = -15 + 60
15x2 = -15 + 60
Combine like terms: -15 + 60 = 45
15x2 = 45
Divide each side by '15'.
x2 = 3
Simplifying
x2 = 3
Take the square root of each side:
x = {-1.732050808, 1.732050808}
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