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Simplifying
6x2 + -9 = 69
Reorder the terms:
-9 + 6x2 = 69
Solving
-9 + 6x2 = 69
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 6x2 = 69 + 9
Combine like terms: -9 + 9 = 0
0 + 6x2 = 69 + 9
6x2 = 69 + 9
Combine like terms: 69 + 9 = 78
6x2 = 78
Divide each side by '6'.
x2 = 13
Simplifying
x2 = 13
Take the square root of each side:
x = {-3.605551275, 3.605551275}
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