4(x^2)+8=13

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Solution for 4(x^2)+8=13 equation: 


Simplifying
4(x2) + 8 = 13

Reorder the terms:
8 + 4x2 = 13

Solving
8 + 4x2 = 13

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 4x2 = 13 + -8

Combine like terms: 8 + -8 = 0
0 + 4x2 = 13 + -8
4x2 = 13 + -8

Combine like terms: 13 + -8 = 5
4x2 = 5

Divide each side by '4'.
x2 = 1.25

Simplifying
x2 = 1.25

Take the square root of each side:
x = {-1.118033989, 1.118033989}

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