Question

(3x+4y)×(5x+7y)
multiply​

Answer 1

Answer:

The value is equal to:-

15x^2 + 41xy + 28y^2

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Answer 2

$\Large\mathtt{\fcolorbox{lime}{black}{\pink{ANSWER}}}$

$\pink\longrightarrow$ ( 3x+4y ) ( 5x+7y )

$\pink\longrightarrow$ ( 3x × 5x ) + ( 3x × 7y ) + ( 4y × 5x ) + ( 4y × 7y )

$\pink\longrightarrow$ 15x² + 21xy + 20xy + 28y²

$\pink\longrightarrow$ 15x² + 41xy + 28y²