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Simplifying
3x2 + -675 = 0
Reorder the terms:
-675 + 3x2 = 0
Solving
-675 + 3x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '675' to each side of the equation.
-675 + 675 + 3x2 = 0 + 675
Combine like terms: -675 + 675 = 0
0 + 3x2 = 0 + 675
3x2 = 0 + 675
Combine like terms: 0 + 675 = 675
3x2 = 675
Divide each side by '3'.
x2 = 225
Simplifying
x2 = 225
Take the square root of each side:
x = {-15, 15}
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