9x^2-21+10=0

Solution for 9x^2-21+10=0 equation:

Simplifying
9x2 + -21 + 10 = 0

Reorder the terms:
-21 + 10 + 9x2 = 0

Combine like terms: -21 + 10 = -11
-11 + 9x2 = 0

Solving
-11 + 9x2 = 0

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 9x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 9x2 = 0 + 11
9x2 = 0 + 11

Combine like terms: 0 + 11 = 11
9x2 = 11

Divide each side by '9'.
x2 = 1.222222222

Simplifying
x2 = 1.222222222

Take the square root of each side:
x = {-1.105541597, 1.105541597}