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Simplifying
12(x2 + -4) = 24
Reorder the terms:
12(-4 + x2) = 24
(-4 * 12 + x2 * 12) = 24
(-48 + 12x2) = 24
Solving
-48 + 12x2 = 24
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 + 12x2 = 24 + 48
Combine like terms: -48 + 48 = 0
0 + 12x2 = 24 + 48
12x2 = 24 + 48
Combine like terms: 24 + 48 = 72
12x2 = 72
Divide each side by '12'.
x2 = 6
Simplifying
x2 = 6
Take the square root of each side:
x = {-2.449489743, 2.449489743}
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