16a^2-56+49=

Solution for 16a^2-56+49= equation:

Simplifying
16a2 + -56 + 49 = 0

Reorder the terms:
-56 + 49 + 16a2 = 0

Combine like terms: -56 + 49 = -7
-7 + 16a2 = 0

Solving
-7 + 16a2 = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 16a2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 16a2 = 0 + 7
16a2 = 0 + 7

Combine like terms: 0 + 7 = 7
16a2 = 7

Divide each side by '16'.
a2 = 0.4375

Simplifying
a2 = 0.4375

Take the square root of each side:
a = {-0.661437828, 0.661437828}