Math, asked by guptamamta850, 4 months ago

Multiply (3x+5y) and (5x-7y)​

Answers

Answered by radha321yadav
6

Answer:

(3x+5y)(5x-7y)

3x(5x-7y)+5y(5x-7y)

15x²-21xy+25xy-35y²

15x²-35y²+4xy

I hope it will be help u

Answered by RMPatel
4

(3x + 5y) × (5x - 7y)

= 3x × (5x - 7y) + 5y × (5x - 7y)

= (3x × 5x - 3x × 7y) + (5y × 5x - 5y × 7y)

= (15x² - 21xy) + (25xy - 35y²)

= 15x² - 21xy + 25xy - 35y²

= 15x² + 4xy - 35y².

This is your answer

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