b^2-4*-5*-8=

Solution for b^2-4*-5*-8= equation:

Simplifying
b2 + -4 * -5 * -8 = 0

Multiply -4 * -5
b2 + 20 * -8 = 0

Multiply 20 * -8
b2 + -160 = 0

Reorder the terms:
-160 + b2 = 0

Solving
-160 + b2 = 0

Solving for variable 'b'.

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

Add '160' to each side of the equation.
-160 + 160 + b2 = 0 + 160

Combine like terms: -160 + 160 = 0
0 + b2 = 0 + 160
b2 = 0 + 160

Combine like terms: 0 + 160 = 160
b2 = 160

Simplifying
b2 = 160

Take the square root of each side:
b = {-12.649110641, 12.649110641}