3x^2-21+36=

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Solution for 3x^2-21+36= equation:


Simplifying
3x2 + -21 + 36 = 0

Reorder the terms:
-21 + 36 + 3x2 = 0

Combine like terms: -21 + 36 = 15
15 + 3x2 = 0

Solving
15 + 3x2 = 0

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 3x2 = 0 + -15
3x2 = 0 + -15

Combine like terms: 0 + -15 = -15
3x2 = -15

Divide each side by '3'.
x2 = -5

Simplifying
x2 = -5

Reorder the terms:
5 + x2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + x2 = 0

The solution to this equation could not be determined.

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