Show that (4x+7y)2–(4x-7y)2=112xy
answer in 2 minutes and u r gonna be marked as brainliest!!!
Answers
Answered by
0
Answer:
=112xy
Step-by-step explanation:
LHS:-
(4x+7y)2-(4x-7y)2=112xy
16x2+49y2+56xy-[16x2+49y2-56xy]
16x2+49y2+56xy-16x2+49x2-56xy
56xy+56xy
112xy
RHS
Similar questions