4a^2-49=

Solution for 4a^2-49= equation:

Simplifying
4a2 + -49 = 0

Reorder the terms:
-49 + 4a2 = 0

Solving
-49 + 4a2 = 0

Solving for variable 'a'.

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

Add '49' to each side of the equation.
-49 + 49 + 4a2 = 0 + 49

Combine like terms: -49 + 49 = 0
0 + 4a2 = 0 + 49
4a2 = 0 + 49

Combine like terms: 0 + 49 = 49
4a2 = 49

Divide each side by '4'.
a2 = 12.25

Simplifying
a2 = 12.25

Take the square root of each side:
a = {-3.5, 3.5}