4x^2+7=88

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Solution for 4x^2+7=88 equation: 


Simplifying
4x2 + 7 = 88

Reorder the terms:
7 + 4x2 = 88

Solving
7 + 4x2 = 88

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 + 4x2 = 88 + -7

Combine like terms: 7 + -7 = 0
0 + 4x2 = 88 + -7
4x2 = 88 + -7

Combine like terms: 88 + -7 = 81
4x2 = 81

Divide each side by '4'.
x2 = 20.25

Simplifying
x2 = 20.25

Take the square root of each side:
x = {-4.5, 4.5}

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