Question

the rationlizing factor of √9+2x is

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Answer 1

Answer:

Answer is √9-2x

Step-by-step explanation:

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Answer 2

Answer:

= √9+2X

Ratinalizing==

√9+2x /1 × √9-2x/√9+2x

= (√9)^2 - (2x)^2/√9+2x

( because (X+y)(x-y) = x^2-y^2

= 9-4x^2/√9+2x

= 9-4x^2 /3+2x

= 3^2 - (2x)^2/3+2x

(3+2x)(3-2x)/3+2x

= (3-2x)

Answer = 3-2x