Math, asked by tanvi200704, 4 months ago

use the identity (x+a) (x+b) = x^2 + (a+b) x + ab to find the following products (9z+5) (9z+1)

Answers

Answered by Anonymous

2

Answer:

(9z+5) (9z+1) => (9z)² + (5 + 1)9z +(5)(1)

=> 81z² + 54z + 5

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