Math, asked by mohanapriyan58, 10 months ago

3) Find the product of (7p + q) (7p-9)
(Hint: use the formula: (a-b) (a+b) = a square- b square]

Answers

Answered by rishabhvnsmm

2

Answer:

so by hint,q=9 so ans is 49p^2-81

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