Question

please help me please it's very urgent please..
Answer the question fast please​

Answer 1

Answer:

$7 {x {}^{2} + 30xy}+ 8y {}^{2}$

$9 {x}^{3} - 2x+ 45$

Answer 2

1. 7x²+28xy+2xy+4y² = 7x²+30xy+4y
2. 9x³-15x²+15x²-25x-27x+45 = 9x²-52x+45

hope it will help you