Math, asked by Gandj505, 10 months ago

गुणाकार करा: (4x + 5y) × (9x + 7y)

Answers

Answered by joshith78

0

Step-by-step explanation:

4x x 9x + 5y x 9x = 36x2 +45xy. - 1 4x x 7y +5y x 7y = 28xy +35y2. _ 2

by adding equation 1 and 2, then

36x2+45xy +28xy+35y2= 36x2 + 73xy + 35y2

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