Question

pls help!
Multiply the following polynomials. 3x3(5x2+4x)
8x6+7x3
15x6+12x4
15x6+12x3
15x5+12x4
8x5+7x4
15x5+12x3

Answer 1

Answer:

78

Step-by-step explanation:

you multiply

Answer 2

Answer:

15x^9+12x^4

b is the answer