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Simplifying
6x2 + -20 = 4
Reorder the terms:
-20 + 6x2 = 4
Solving
-20 + 6x2 = 4
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '20' to each side of the equation.
-20 + 20 + 6x2 = 4 + 20
Combine like terms: -20 + 20 = 0
0 + 6x2 = 4 + 20
6x2 = 4 + 20
Combine like terms: 4 + 20 = 24
6x2 = 24
Divide each side by '6'.
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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