4s^2-15+9=

Solution for 4s^2-15+9= equation:

Simplifying
4s2 + -15 + 9 = 0

Reorder the terms:
-15 + 9 + 4s2 = 0

Combine like terms: -15 + 9 = -6
-6 + 4s2 = 0

Solving
-6 + 4s2 = 0

Solving for variable 's'.

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

Add '6' to each side of the equation.
-6 + 6 + 4s2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 4s2 = 0 + 6
4s2 = 0 + 6

Combine like terms: 0 + 6 = 6
4s2 = 6

Divide each side by '4'.
s2 = 1.5

Simplifying
s2 = 1.5

Take the square root of each side:
s = {-1.224744871, 1.224744871}