nyladavis01 nyladavis01
  • 14-01-2019
  • Mathematics
contestada

If p(x) = 2x2 – 4x and q(x) = x – 3, what is (pxq)(x)

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gmany
gmany gmany
  • 14-01-2019

[tex]\text{Use FOIL}: (a + b)(c + d) = ac + ad + bc + bd\\\\p(x)=2x^2-4x,\ q(x)=x-3\\\\(p\cdot q)(x)=p(x)\cdot q(x).\ \text{Substitute:}\\\\(p\cdot q)(x)=(2x^2-4x)(x-3)=(2x^2)(x)+(2x^2)(-3)+(-4x)(x)+(-4x)(-3)\\\\=2x^3-6x^2-4x^2+12x=\boxed{2x^3-10x^2+12x}[/tex]

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brianajaydewilliams brianajaydewilliams
  • 07-02-2020

Answer:

2x^2 – 16x + 30

Step-by-step explanation:

100%

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