shay1091
shay1091
17-05-2016
Mathematics
contestada
find the zeros of x3 +2X^2-23x-60
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caylus
caylus
17-05-2016
Hello,
P(x)=x^3+2x²-23x-60
P(-4)=(-4)^3+2*(-4)²-23*(-4)-60=0
P(-3)=(-3)^4+2*(-3)²-23*(-3)-60=0
P(5)=5^3+2*5²-23*5-60=0
Zeros are -4,-3,5
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