Question

13
(1) (7p + 99) (7p – 99)
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Answer 1

(7p+99)(7p-99)= 49p^2-99^2

Answer 2

$\huge\bf\pink{SOLUTION:-}$

(7p+99)(7p-99)

Using formula,

(a+b)(a-b)= a²- b²

We get :-

(7p)² - 99²

= 49p²-9801