Question

pleaseeee answer with explanation and correctly and i will mark you the brainliest (๑・ω-)～♥”​

Answer 1

Answer:

2 a3+3a2-9a+15

Answer 2

Answer:

1) 2a^3 +3a^2 -19a +15

2) -7y^2z^7

Step-by-step explanation:

1)  2a^3 + 6a^2 - 10a - 3a^2 -9a +15

   2a^3 +3a^2 -19a +15

2) -7y^2z^7