1-4x^2=-8

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Solution for 1-4x^2=-8 equation: 


Simplifying
1 + -4x2 = -8

Solving
1 + -4x2 = -8

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + -4x2 = -8 + -1

Combine like terms: 1 + -1 = 0
0 + -4x2 = -8 + -1
-4x2 = -8 + -1

Combine like terms: -8 + -1 = -9
-4x2 = -9

Divide each side by '-4'.
x2 = 2.25

Simplifying
x2 = 2.25

Take the square root of each side:
x = {-1.5, 1.5}

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