hannamcbrayer1
hannamcbrayer1
23-02-2017
Mathematics
contestada
Confused plz help! will mark!!
Respuesta :
morgeron
morgeron
23-02-2017
we substitute the value of x (-1) in each place there is an x and solve...
3(-1)^3 + 2(-1)^2 + (-1) + 1
it equals...-1
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hailey2019
hailey2019
23-02-2017
The answer is a
3x-1x-1=3
2x-1x-1=2
=-1
=1
3+2-1+1=5
Answer Link
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