Question

Find the product
A ) (a + 3b) and (x +5)
B ) (x + 7y) and (7x -y)
If you are going to answer for points i will report you and get you banned so please i really want the answer it's my school in a bit.

Answer 1

ANSWER :-

A)....(a+3a)*(X+5)

>a(X+5) + 3a(X+5)

>ax + 5a + 3ax +15a

>4ax + 15a

B)....(X+7y)*(7x-y)

X(7x-y)+7y(7x-y)

7x^2 - xy - 49xy + 7y^2

7x^2+ 48xy - 7y^2