7(3x^2-5)=

Solution for 7(3x^2-5)= equation:

Simplifying
7(3x2 + -5) = 0

Reorder the terms:
7(-5 + 3x2) = 0
(-5 * 7 + 3x2 * 7) = 0
(-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}