10x^2-29+21=0

Solution for 10x^2-29+21=0 equation:

Simplifying
10x2 + -29 + 21 = 0

Reorder the terms:
-29 + 21 + 10x2 = 0

Combine like terms: -29 + 21 = -8
-8 + 10x2 = 0

Solving
-8 + 10x2 = 0

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 10x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 10x2 = 0 + 8
10x2 = 0 + 8

Combine like terms: 0 + 8 = 8
10x2 = 8

Divide each side by '10'.
x2 = 0.8

Simplifying
x2 = 0.8

Take the square root of each side:
x = {-0.894427191, 0.894427191}