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(2x - 3)(4x + 9)(2x + 3)

= (2x - 3)(2x + 3)(4x + 9)

= [(2x)^2 - (3^2)](4x + 9)

= (4x^2 - 9)(4x + 9)

= (4x^2)(4x) + (4x^2)(9) - (9)(4x) - (9)(9)

= 16x^3 + 36 x^2 - 36x - 81

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Q: How Find the produnct of 2x-3 4x plus 9 and 2x plus 3?
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