What is the product of a+3 and −2a2+15a+6b2?

For this case we must find the product of the following expression:

We apply distributive property term to term:

We add similar terms:

Finally, the expression is as:

Answeer:

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

13cm

step-by-step explanation:

(apex)