Answer:
-15a^2+20ab
Step-by-step explanation:
Given data
We are given the expression
(-3a + 4b) to be multiplied by 5a
hence we have
(-3a + 4b)*5a
open bracket
-15a^2+20ab
Hence the answer is
-15a^2+20ab
area= l*w
100=10*w
10= w
parameter= sum of all sides= 40
Answer:
.
Step-by-step explanation: