-3(x^2-6)=81

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Solution for -3(x^2-6)=81 equation:


Simplifying
-3(x2 + -6) = 81

Reorder the terms:
-3(-6 + x2) = 81
(-6 * -3 + x2 * -3) = 81
(18 + -3x2) = 81

Solving
18 + -3x2 = 81

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 + -3x2 = 81 + -18

Combine like terms: 18 + -18 = 0
0 + -3x2 = 81 + -18
-3x2 = 81 + -18

Combine like terms: 81 + -18 = 63
-3x2 = 63

Divide each side by '-3'.
x2 = -21

Simplifying
x2 = -21

Reorder the terms:
21 + x2 = -21 + 21

Combine like terms: -21 + 21 = 0
21 + x2 = 0

The solution to this equation could not be determined.

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