kelsyoung
kelsyoung
22-09-2014
Mathematics
Answered
if x=-2 calculate the value of x3+x
Answer :
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
22-09-2014
[tex]x^3+x=(-2)^3+(-2)= \\\\=-8-2=\\\\=\boxed{-10}[/tex]
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