Question

25a2-4b2+28bc-4c2
help it out plz​

Answer 1

Answer:

. lalithsaie. Helping Hand. 5 answers. 455 people helped. 25a2 – 4b2 + 28bc – 49c2 = (5a)2 – (4b2 – 28bc + 49c2)

Missing: 4c2 ? ‎| Must include: 4c2 ?

516 votes

25a2 – 4b2 + 28bc – 49c2= (5a)2 – (4b2 – 28bc + 49c2)= (5a)2 – {(2b)2 – 2(2b)