21x^2-35=

Solution for 21x^2-35= equation:

Simplifying
21x2 + -35 = 0

Reorder the terms:
-35 + 21x2 = 0

Solving
-35 + 21x2 = 0

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + 21x2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 21x2 = 0 + 35
21x2 = 0 + 35

Combine like terms: 0 + 35 = 35
21x2 = 35

Divide each side by '21'.
x2 = 1.666666667

Simplifying
x2 = 1.666666667

Take the square root of each side:
x = {-1.290994449, 1.290994449}