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Simplifying
24 = (2x + x) * x
Combine like terms: 2x + x = 3x
24 = (3x) * x
Remove parenthesis around (3x)
24 = 3x * x
Multiply x * x
24 = 3x2
Solving
24 = 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.
24 + -3x2 = 3x2 + -3x2
Combine like terms: 3x2 + -3x2 = 0
24 + -3x2 = 0
Add '-24' to each side of the equation.
24 + -24 + -3x2 = 0 + -24
Combine like terms: 24 + -24 = 0
0 + -3x2 = 0 + -24
-3x2 = 0 + -24
Combine like terms: 0 + -24 = -24
-3x2 = -24
Divide each side by '-3'.
x2 = 8
Simplifying
x2 = 8
Take the square root of each side:
x = {-2.828427125, 2.828427125}
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