SOLUTION: Find the zeros of the polynominal factor into first degree factors and graph the polynominal equation. y = x^3 + 4x^2 - x

SOLUTION: Find the zeros of the polynominal factor into first degree factors and graph the polynominal equation. y = x^3 + 4x^2 - x - 4

Question 155829: Find the zeros of the polynominal factor into first degree factors and graph the polynominal equation. y = x^3 + 4x^2 - x - 4

Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
x^3 + 4x^2 - x - 4=0 has a root 1
then
1 4 -1 -4
1 1 5 4
1 5 4 0
(click on show source code to understand it)
Q(x)=x^2+5x+4=0
then

=
so roots of Q(x) are -4 and -1
then
roots of P(x)=x^3 + 4x^2 - x - 4
are 1,-1 and -4
P(x)=(x-1)(x+1)(x+4)

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