Respuesta :

(3x*3x-4x+1)(2x-9) give 3x the power of two
(9x-4x+1)(2x-9) multiply the 3x*3x
5x+1*2x-9 add the x's together in the first ()
7x *-8  Combine like terms to give you the final answer 7x multiplied by negative 8

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