4m^2-28=0

Solution for 4m^2-28=0 equation:

Simplifying
4m2 + -28 = 0

Reorder the terms:
-28 + 4m2 = 0

Solving
-28 + 4m2 = 0

Solving for variable 'm'.

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

Add '28' to each side of the equation.
-28 + 28 + 4m2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 4m2 = 0 + 28
4m2 = 0 + 28

Combine like terms: 0 + 28 = 28
4m2 = 28

Divide each side by '4'.
m2 = 7

Simplifying
m2 = 7

Take the square root of each side:
m = {-2.645751311, 2.645751311}