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Simplifying
4x2 + -24 = 20
Reorder the terms:
-24 + 4x2 = 20
Solving
-24 + 4x2 = 20
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '24' to each side of the equation.
-24 + 24 + 4x2 = 20 + 24
Combine like terms: -24 + 24 = 0
0 + 4x2 = 20 + 24
4x2 = 20 + 24
Combine like terms: 20 + 24 = 44
4x2 = 44
Divide each side by '4'.
x2 = 11
Simplifying
x2 = 11
Take the square root of each side:
x = {-3.31662479, 3.31662479}
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