Use a suitable identity to find the product.
(3p-4q)(3p-4q)
Answers
Answered by
6
Answer:
9p²-16q²
Step-by-step explanation:
Identity:(a+b)(a-b)=(a²-b²)
=(3p-4q)(3p-4q)
=[(3p)²-(4q)²]
=9p²-16q²
Answered by
2
Answer:
9p² + 16q² - 24pq
Step-by-step explanation:
(3p-4q)(3p-4q) = (3p-4q)²
(3p)² + (4q)² - 2 x 3p x 4q
9p² + 16q² - 24pq
Identity:
(a-b) (a+b) = a² - b²
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