Question

а)
Multiply the Polynomial (x+7y) (7x-y)​

Answer 1

Step-by-step explanation:

(x+7y)(7x-y)

7x^2-xy+49yx-7y^2

7x^2+48xy-7y^2

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Answer 2

Answer:

$7 {x}^{2} - xy + 49xy - 7 {y }^{2} \\ = 7 {x}^{2} + 48xy - 7 {y}^{2}$

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