Question

$( 7 x + 2 y ) \times ( x + 4 y )$
find the product ​

Answer 1

Answer:

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Step-by-step explanation:

refer to the attachment

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Answer 2

(7x +2y ) × ( x+4y)

Multiplying binomial with binomial

7x ( x+ 4y ) + 2y ( x + 4y )

7x² + 28xy + 2xy + 8y²

7x² +30 xy + 8y²

Answer = 7x² + 30xy +8y²