Question

Find the product. With suitable identies (3x+2)(3x±2)

Answer 1

Answer:

9x2 - 4

Step-by-step explanation:

using the identity (a + b) × (a – b) = a2 – b2

here a = 3x and b = 2

⇒ (3x + 2)(3x - 2) = (3x)2 – 22

Therefore (3x + 2)(3x - 2) = 9x2 – 4

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Answer 2

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