4x^2-18=82

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Solution for 4x^2-18=82 equation:


Simplifying
4x2 + -18 = 82

Reorder the terms:
-18 + 4x2 = 82

Solving
-18 + 4x2 = 82

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 4x2 = 82 + 18

Combine like terms: -18 + 18 = 0
0 + 4x2 = 82 + 18
4x2 = 82 + 18

Combine like terms: 82 + 18 = 100
4x2 = 100

Divide each side by '4'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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