-3(7x^2)+25=

Solution for -3(7x^2)+25= equation:

Simplifying
-3(7x2) + 25 = 0

Remove parenthesis around (7x2)
-3 * 7x2 + 25 = 0

Multiply -3 * 7
-21x2 + 25 = 0

Reorder the terms:
25 + -21x2 = 0

Solving
25 + -21x2 = 0

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + -21x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -21x2 = 0 + -25
-21x2 = 0 + -25

Combine like terms: 0 + -25 = -25
-21x2 = -25

Divide each side by '-21'.
x2 = 1.19047619

Simplifying
x2 = 1.19047619

Take the square root of each side:
x = {-1.091089451, 1.091089451}