3x^2-42+147=

Solution for 3x^2-42+147= equation:

Simplifying
3x2 + -42 + 147 = 0

Reorder the terms:
-42 + 147 + 3x2 = 0

Combine like terms: -42 + 147 = 105
105 + 3x2 = 0

Solving
105 + 3x2 = 0

Solving for variable 'x'.

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

Add '-105' to each side of the equation.
105 + -105 + 3x2 = 0 + -105

Combine like terms: 105 + -105 = 0
0 + 3x2 = 0 + -105
3x2 = 0 + -105

Combine like terms: 0 + -105 = -105
3x2 = -105

Divide each side by '3'.
x2 = -35

Simplifying
x2 = -35

Reorder the terms:
35 + x2 = -35 + 35

Combine like terms: -35 + 35 = 0
35 + x2 = 0

The solution to this equation could not be determined.