Math, asked by fa6404766, 1 day ago

find the square of (3a+7b)

Answers

Answered by badolamamta68

1

Step-by-step explanation:

(3a+7b)²

(3a)² + (7b)² +2 ×3a×7b

9a² +49b² + 42 ab

identify used (a+b)²= a²+b²+2ab

Answered by kavitasetia09

2

Answer:

(3a+7b)²

a+b²=a²+b²+2ab

(3a)²+(7b)²+2×3a×7b

9a²+49b²+42ab

is the answer

hope it helps you

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