-80a^2+45=

Solution for -80a^2+45= equation:

Simplifying
-80a2 + 45 = 0

Reorder the terms:
45 + -80a2 = 0

Solving
45 + -80a2 = 0

Solving for variable 'a'.

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

Add '-45' to each side of the equation.
45 + -45 + -80a2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -80a2 = 0 + -45
-80a2 = 0 + -45

Combine like terms: 0 + -45 = -45
-80a2 = -45

Divide each side by '-80'.
a2 = 0.5625

Simplifying
a2 = 0.5625

Take the square root of each side:
a = {-0.75, 0.75}