Question

Multiply.
(4a+5) (7a+3)
Simplify your answer.
0

Answer 1

`28a {}^(2) + 47a + 15`

Explanation:

Multiply what's inside the brackets with the outside brackets:

`(4a + 5)(7a + 3) =`

`(4a * 7a) + (4a * 3) + (5 * 7a) + (5 * 3) =`

`28a {}^(2) + 12a + 35a + 15 =`

`28a {}^(2) + 47a + 15`