Math, asked by vijay6824, 10 months ago

simplify
(7p + 9q ) ( 7p - 9q)

Answers

Answered by MysteriousAryan

3

Answer:

(

Step-by-step explanation:

(a+b)(a-b)=a²-b²

( 7p+9q)(7p-9q) =49p²-81q²

Answered by unique1man

3

Answer:

Step-by-step explanation:

(7p + 9q ) ( 7p - 9q)

(7p)²-(9q)² since (a+b)(a-b)=a²-b²

49p²-81q²

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