(-4u-3.2)(-3)=

Solution for (-4u-3.2)(-3)= equation:

Simplifying
(-4u + -3.2)(-3) = 0

Reorder the terms:
(-3.2 + -4u)(-3) = 0

Reorder the terms for easier multiplication:
-3(-3.2 + -4u) = 0
(-3.2 * -3 + -4u * -3) = 0
(9.6 + 12u) = 0

Solving
9.6 + 12u = 0

Solving for variable 'u'.

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

Add '-9.6' to each side of the equation.
9.6 + -9.6 + 12u = 0 + -9.6

Combine like terms: 9.6 + -9.6 = 0.0
0.0 + 12u = 0 + -9.6
12u = 0 + -9.6

Combine like terms: 0 + -9.6 = -9.6
12u = -9.6

Divide each side by '12'.
u = -0.8

Simplifying
u = -0.8