47are the expressions equivalent? select yes or no.
a. 2-4n and 2(1 - 2n)
b. 5(3x + 2) and 15x + 10
c. 2(rxr xr) and 6r
d. 8(22 – 3) and 162 -3

A. yes they are equal

B. yes they are equal

C. no

D. no

b, i believe, but not sure.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: