Question

please answer this question properly​

Answer 1

Answer:

1)

i)(3a+b)^2

ii)(7a-4b)^2

iii)(5x^2)^2-(2y^2)^2

iv)(x+a)(x+b)

v)a^2+b^2+c^2+2ab+2bac+2bc

vi)a^3+b^3+3a^2b+3ab^2

vii)a^3-b^3-3a^2b+3ab^2

2)

i)x^2+ab+(a+b)x

ii)(325-225)(325+225)

=(100)(550)

=55000

Step-by-step explanation: