kelsyoung kelsyoung
  • 22-09-2014
  • Mathematics
contestada

if x=-2 calculate the value of x3+x

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AndyBryer
AndyBryer AndyBryer
  • 22-09-2014
I am pressuming you mean x³+x
When x=-2
(-2)³-2=-10
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mariamikayla
mariamikayla mariamikayla
  • 22-09-2014
[tex]x^3+x=(-2)^3+(-2)= \\\\=-8-2=\\\\=\boxed{-10}[/tex]
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