Question

please solve this. Plzzzzzzzzzzzzz ​

Answer 1

Answer:

$(2a + 5b) ^{2} - 7(2a + 5b) + 12 \\ \\ 4 {a}^{2} + 25 {b}^{2} + 20ab - 14a - 35b + 12$

Hope it helps uh :)

Answer 2

Answer:

(2a+5b)^2-7(2a+5b)+12

=4a^2+20ab+25b^2-14a-35b+12