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Simplifying
-3x2 + 48 = 0
Reorder the terms:
48 + -3x2 = 0
Solving
48 + -3x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-48' to each side of the equation.
48 + -48 + -3x2 = 0 + -48
Combine like terms: 48 + -48 = 0
0 + -3x2 = 0 + -48
-3x2 = 0 + -48
Combine like terms: 0 + -48 = -48
-3x2 = -48
Divide each side by '-3'.
x2 = 16
Simplifying
x2 = 16
Take the square root of each side:
x = {-4, 4}
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