35x^2-21=

Solution for 35x^2-21= equation:

Simplifying
35x2 + -21 = 0

Reorder the terms:
-21 + 35x2 = 0

Solving
-21 + 35x2 = 0

Solving for variable 'x'.

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

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

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

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

Divide each side by '35'.
x2 = 0.6

Simplifying
x2 = 0.6

Take the square root of each side:
x = {-0.774596669, 0.774596669}