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Use the identity (x + a) (x + b) = x2 + (a + b) x + ab to find the following products. (4x – 5) (4x – 1)

Use the identity (x + a) (x + b) = x2 + (a + b) x + ab to find the following products.
 (4x – 5) (4x – 1)

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

(4x–5) (4x–1)
= 16x^2+ (-5-1)4x + 5
= 16x^2- 20x + 5

Thanks

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