Question

using suitable identity (3x+5)(3x-5)find product.​

Answer 1

Answer:

(3x+5)(3x-5)=9x²-25

As(a+b) (a-b) =a²-b²

Answer 2

Answer:

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Step-by-step explanation:

3x (3x -5 ) +5(3x -5)

9x -15x +15x -25

9x -25

x = -25/9