Evaluate : (3−2x) (3+2x) (9+4x2)

Evaluate : (3−2x) (3+2x) (9+4x²)

Sum

(3−2x) (3+2x) (9+4x²)

= [{3}²−(2x)²] (9+4x²)

= (9−4x²) (9+4x²)

= (9)² − (4x²)²

= 81 − 16x⁴

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Product of Sum and Difference of Two Terms

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Chapter 12: Identities - Exercise 12 (A) [Page 150]

Chapter 12 Identities
Exercise 12 (A) | Q 3.4 | Page 150

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