4x^2-36+81=0

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Solution for 4x^2-36+81=0 equation:


Simplifying
4x2 + -36 + 81 = 0

Reorder the terms:
-36 + 81 + 4x2 = 0

Combine like terms: -36 + 81 = 45
45 + 4x2 = 0

Solving
45 + 4x2 = 0

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 4x2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 4x2 = 0 + -45
4x2 = 0 + -45

Combine like terms: 0 + -45 = -45
4x2 = -45

Divide each side by '4'.
x2 = -11.25

Simplifying
x2 = -11.25

Reorder the terms:
11.25 + x2 = -11.25 + 11.25

Combine like terms: -11.25 + 11.25 = 0.00
11.25 + x2 = 0.00

The solution to this equation could not be determined.

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