jmiranda91004p8laxx jmiranda91004p8laxx
  • 12-05-2018
  • Mathematics
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what is the standard form
[tex]f(x) = (2x - 1)(x - 5)[/tex]

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gmany
gmany gmany
  • 12-05-2018
The standard form:[tex]f(x)=ax^2+bx+c[/tex]
[tex]f(x)=(2x-1)(x-5)\\\\\text{Use: (a + b)(c + d) = ac + ad + bc + bd}\\\\f(x)=2x\cdot x-2x\cdot5-1\cdot x-1\cdot(-5)\\\\=f(x)=2x^2-10x-x+5\\\\\boxed{f(x)=x^2-11x+5}[/tex]

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