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Simplifying
4x2 + -30 = 6
Reorder the terms:
-30 + 4x2 = 6
Solving
-30 + 4x2 = 6
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '30' to each side of the equation.
-30 + 30 + 4x2 = 6 + 30
Combine like terms: -30 + 30 = 0
0 + 4x2 = 6 + 30
4x2 = 6 + 30
Combine like terms: 6 + 30 = 36
4x2 = 36
Divide each side by '4'.
x2 = 9
Simplifying
x2 = 9
Take the square root of each side:
x = {-3, 3}
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