7x^2-15+6=0

Solution for 7x^2-15+6=0 equation:

Simplifying
7x2 + -15 + 6 = 0

Reorder the terms:
-15 + 6 + 7x2 = 0

Combine like terms: -15 + 6 = -9
-9 + 7x2 = 0

Solving
-9 + 7x2 = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 7x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 7x2 = 0 + 9
7x2 = 0 + 9

Combine like terms: 0 + 9 = 9
7x2 = 9

Divide each side by '7'.
x2 = 1.285714286

Simplifying
x2 = 1.285714286

Take the square root of each side:
x = {-1.133893419, 1.133893419}