Question

(4x + 5y) × (9x +7y)

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Answer 1

here is the solution of your question

Answer 2

Answer:

(4x + 5y) * (9x + 7y)

so our first step is to make a apart different group of variables and constants

so,

4x ( 9x + 7y ) + 5y ( 9x + 7y)

36x +28xy + 35y + 45xy

36x + 28xy + 45xy + 35y

36x + 73xy + 35y

is the solution