One of steps for finding the product of (3x² + 2) (3x²-5) using suitable identity is​

One of steps for finding the product of (3x² + 2) (3x²-5) using suitable identity is​

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  1. Step-by-step explanation:

    9x²-4

    Step-by-step explanation:

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

    (x + y)(x – y) = {x}^{2} – {y}^{2}(x+y)(x−y)=x

    2

    −y

    2

    (3x+2)(3x-2)=(3x)²-(2)²

    =9x²-4

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