Question

Use suitable identities find the product. 1. (3x+4) (3x-4)​

Answer 1

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Answer 2

Answer:

9X^2-16

Step-by-step explanation:

THIS IDENTITY SUITS QUESTION

=>A^2-B^2

AS BY ALGEBRAIC IDENTITIES

A^2-B^2=(A+B)(A-B)

IN THIS CASE, A=3X, B=4

SO ACCORDING TO UR QUESTION

(3x+4) (3x-4)= A^2-B^2

(3x+4) (3x-4)=3x^2-4^2

3x^2-4^2= YOUR ANSWER

SO, 3x^2-4^2= 9X^2-16

THEREFORE, YOUR ANSWER=9X^2-16

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