Question

answer for this plz it's urgent ​

Answer 1

Answer:

If it helps mark me as brainliest.

Step-by-step explanation:

1. i) x^2+6x+9

ii)a^2-b^2

iii)a^2+a-6

2.i) 2

ii) 6a^2b

3.i)64m^2+32mn-21n^2

ii)x^3+27+9x^2y+27xy^2