Question

multiply 5x-7y by 9x+2y​

Answer 1

Answer:

-63xy+5x+2y

Step-by-step explanation:

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Answer 2

Answer:

45x^{2} -53xy-14y^2

Step-by-step explanation:

5x(9x+2y)-7y(9x+2y)

$45x^{2} +10xy-63xy-14y^2\\45x^{2} -53xy-14y^2$