8x^2+4=76

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Solution for 8x^2+4=76 equation: 


Simplifying
8x2 + 4 = 76

Reorder the terms:
4 + 8x2 = 76

Solving
4 + 8x2 = 76

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 8x2 = 76 + -4

Combine like terms: 4 + -4 = 0
0 + 8x2 = 76 + -4
8x2 = 76 + -4

Combine like terms: 76 + -4 = 72
8x2 = 72

Divide each side by '8'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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