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please guys help
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1
Answer:
you can use (a+b+2ab)2 formula
Answered by
2
Step-by-step explanation:
(x + 5)2 = x2 + 25 + 10x
( 3x + 4)2 = 9x2 + 16 + 24x
(3x +5y)2 = 9x2 + 25y2 + 30xy
(1 + 10mn)2 = 1 + 10m2n2 + 20mn
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