Question

please solve this second problem fast urgently ​

Answer 1

1.(3b+2a)(3b+2a)

=(a+b)(a+b)

..........................

=(3a+2a)^2

Is the answer

Answer 2

1) (3b+2a)^2 is the simplified one
9b^2+12ab+4a^2
2)16x^2/25 + 16xy/15 + 4y^2/9

Formula - a^2+2ab+b^2