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Simplifying
9x2 + -6 = 426
Reorder the terms:
-6 + 9x2 = 426
Solving
-6 + 9x2 = 426
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '6' to each side of the equation.
-6 + 6 + 9x2 = 426 + 6
Combine like terms: -6 + 6 = 0
0 + 9x2 = 426 + 6
9x2 = 426 + 6
Combine like terms: 426 + 6 = 432
9x2 = 432
Divide each side by '9'.
x2 = 48
Simplifying
x2 = 48
Take the square root of each side:
x = {-6.92820323, 6.92820323}
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