4x^2+15-9=0

Solution for 4x^2+15-9=0 equation:

Simplifying
4x2 + 15 + -9 = 0

Reorder the terms:
15 + -9 + 4x2 = 0

Combine like terms: 15 + -9 = 6
6 + 4x2 = 0

Solving
6 + 4x2 = 0

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 4x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 4x2 = 0 + -6
4x2 = 0 + -6

Combine like terms: 0 + -6 = -6
4x2 = -6

Divide each side by '4'.
x2 = -1.5

Simplifying
x2 = -1.5

Reorder the terms:
1.5 + x2 = -1.5 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
1.5 + x2 = 0.0

The solution to this equation could not be determined.