1.

Use a suitable identity to find the product. (3p-4q)(3p-4q)

Answer»

Answer:

9p²-16q²

Step-by-step EXPLANATION:

Identity:(a+b)(a-b)=(a²-b²)

=(3P-4Q)(3p-4q)

=[(3p)²-(4q)²]

=9p²-16q²



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