21x^2-58+21=

Solution for 21x^2-58+21= equation:

Simplifying
21x2 + -58 + 21 = 0

Reorder the terms:
-58 + 21 + 21x2 = 0

Combine like terms: -58 + 21 = -37
-37 + 21x2 = 0

Solving
-37 + 21x2 = 0

Solving for variable 'x'.

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

Add '37' to each side of the equation.
-37 + 37 + 21x2 = 0 + 37

Combine like terms: -37 + 37 = 0
0 + 21x2 = 0 + 37
21x2 = 0 + 37

Combine like terms: 0 + 37 = 37
21x2 = 37

Divide each side by '21'.
x2 = 1.761904762

Simplifying
x2 = 1.761904762

Take the square root of each side:
x = {-1.327367606, 1.327367606}