15x^2-28+5=

Solution for 15x^2-28+5= equation:

Simplifying
15x2 + -28 + 5 = 0

Reorder the terms:
-28 + 5 + 15x2 = 0

Combine like terms: -28 + 5 = -23
-23 + 15x2 = 0

Solving
-23 + 15x2 = 0

Solving for variable 'x'.

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

Add '23' to each side of the equation.
-23 + 23 + 15x2 = 0 + 23

Combine like terms: -23 + 23 = 0
0 + 15x2 = 0 + 23
15x2 = 0 + 23

Combine like terms: 0 + 23 = 23
15x2 = 23

Divide each side by '15'.
x2 = 1.533333333

Simplifying
x2 = 1.533333333

Take the square root of each side:
x = {-1.238278375, 1.238278375}