Question

Please answer this. I'll mark you brainlist and give 30 thanks.
Please help....​

Answer 1

Answer:

1a) - 2p² - 9p +6q

b) 2x³ - 3x²y + 2xy² + 4y - y³

c) 0

d) p² + q² +r²

e) x³y² + 4x²y³+ 7y⁴

f) p²qr - 2pq²r - pqr²

g) 0

h) a²+ b² + c² + 6ab + 3ca - bc - ca-ab

i) - 10t -6t² 33t³- 20

Step-by-step explanation:

Hope it helps you...

please mark as brainliest...

Answer 2

Step-by-step explanation:

anyone up

for

fun via-zshf-kgt