Question

multiply the following expressions a + b, 7 a square b square​

Answer 1

Answer:

7a^2b^2(a+b)

7a^3b^2+7a^2b^3

therefore

7a^2b^2(a+b)

Answer 2

HERE IS YOUR SOLITION

(a+b)×(7a²b²)

=(a×7a²b²)+(b×7a²b²)

=7a³b²+7a²b³