-7x^2+448=0

Solution for -7x^2+448=0 equation:

Simplifying
-7x2 + 448 = 0

Reorder the terms:
448 + -7x2 = 0

Solving
448 + -7x2 = 0

Solving for variable 'x'.

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

Add '-448' to each side of the equation.
448 + -448 + -7x2 = 0 + -448

Combine like terms: 448 + -448 = 0
0 + -7x2 = 0 + -448
-7x2 = 0 + -448

Combine like terms: 0 + -448 = -448
-7x2 = -448

Divide each side by '-7'.
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}