-5+4x^2=11

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Solution for -5+4x^2=11 equation: 


Simplifying
-5 + 4x2 = 11

Solving
-5 + 4x2 = 11

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 4x2 = 11 + 5

Combine like terms: -5 + 5 = 0
0 + 4x2 = 11 + 5
4x2 = 11 + 5

Combine like terms: 11 + 5 = 16
4x2 = 16

Divide each side by '4'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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