7-7x^2=-231

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Solution for 7-7x^2=-231 equation: 


Simplifying
7 + -7x2 = -231

Solving
7 + -7x2 = -231

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -7x2 = -231 + -7

Combine like terms: 7 + -7 = 0
0 + -7x2 = -231 + -7
-7x2 = -231 + -7

Combine like terms: -231 + -7 = -238
-7x2 = -238

Divide each side by '-7'.
x2 = 34

Simplifying
x2 = 34

Take the square root of each side:
x = {-5.830951895, 5.830951895}

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