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Simplifying
0 = 3x2 + -18 + -48
Reorder the terms:
0 = -18 + -48 + 3x2
Combine like terms: -18 + -48 = -66
0 = -66 + 3x2
Solving
0 = -66 + 3x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x2' to each side of the equation.
0 + -3x2 = -66 + 3x2 + -3x2
Remove the zero:
-3x2 = -66 + 3x2 + -3x2
Combine like terms: 3x2 + -3x2 = 0
-3x2 = -66 + 0
-3x2 = -66
Divide each side by '-3'.
x2 = 22
Simplifying
x2 = 22
Take the square root of each side:
x = {-4.69041576, 4.69041576}
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