4x^2-64=17

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Solution for 4x^2-64=17 equation: 


Simplifying
4x2 + -64 = 17

Reorder the terms:
-64 + 4x2 = 17

Solving
-64 + 4x2 = 17

Solving for variable 'x'.

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

Add '64' to each side of the equation.
-64 + 64 + 4x2 = 17 + 64

Combine like terms: -64 + 64 = 0
0 + 4x2 = 17 + 64
4x2 = 17 + 64

Combine like terms: 17 + 64 = 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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