1 answer
(click or scroll down)
To solve 5.(-4a).(-5x), we can simplify the expression by multiplying the numbers together.
First, multiply 5 and -4 to get -20: 5 * (-4) = -20.
Next, multiply -20 and -5x to get 100x: -20 * (-5x) = 100x.
Therefore, the solution is 100x.