Math, asked by muskan1007, 9 months ago

Expand : ( 7x + 2y)²

Answers

Answered by 184520323194040

3

Answer:

49x² +4y² +28xy

Step-by-step explanation:

( 7x + 2y)²

(a+b)²= a²+ b²+2ab

(7x)²+ (2y)²+ 2×7x×2y

49x² +4y² +28xy

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