Question

Find the expansion of (6-4a-7b) whole square
plz answer it fast.​

Answer 1

Answer:

Step-by-step explanation:

(6-4a-7b)^2

=(6-4a-7b)(6-4a-7b)

=6(6-4a-7b)-4a(6-4a-7b)-7b(6-4a-7b)

=36-24a-42b-24a+16a^2+28ab-42b+28ab+49b^2

=16a^2-48a+56ab-84b+49b^2+36

Check it out!