Question

fill in the boxes with appropriate terms in the steps of expansion​

Answer 1

Where is boxes???

tell me

Answer 2

Answer:

Fill in the boxes with appropriate terms in the steps of expansion. (2p + 3m + 4n)2 = (2p)2 + (3m)2 + __ + 2 × 2p × 3m + 2 × __ × 4n + 2 × 2p × __ = __ + 9m2 + __ + 12pm + __ +

steps-of-expansion

-2p-3m-4n-2-2p-2-3m-2p-3m

2p + 3m + 4n)2 = (2p)2 + (3m)2 + (4n)2 + 2 x 2p x 3m + 2 x 3m x 4n + 2 x 2p x 4n = 4p2 + 9m2 + 16n2 + 12pm + 24p2 + 9m2 + 16n2 + 12pm + 24mn + 16