SOLUTION: Find all of the real zeros of the polynomial P(x)=12x^3-129x^2+342x-189.

SOLUTION: Find all of the real zeros of the polynomial P(x)=12x^3-129x^2+342x-189.

Algebra.Com

Question 370225: Find all of the real zeros of the polynomial P(x)=12x^3-129x^2+342x-189.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
12x^3-129x^2+342x-189
4x^3-43x^2+114x-63
63 has a factor of 7, try that.
Then it's a quadratic.
--> 0.75, 3, 7
RELATED QUESTIONS
Factor to find all the real zeros of P(x)=... (answered by jsmallt9)

find all the zeros, real, and non real, of the polynomial p(x) = x^3 +... (answered by tommyt3rd)

P(x)=x^3-5x+2 it ask me to find all the real zeros of the... (answered by Nate)

Find all of the real zeros of the polynomial... (answered by jsmallt9)

Identify the degree of the polynomial. Find all zeros (real and imaginary) and indicate... (answered by Edwin McCravy)

Given that 7 is a zero of the polynomial P(x)=x^3-12x^2+39x-28, determine all... (answered by josgarithmetic)

Hello! A polynomial P is given: P(x) = 2x^3 + 7x^2 + 4x - 4 Find all the real... (answered by jim_thompson5910)

Find all zeros of the polynomial. Express any non real zeros in th e form a +bi. P... (answered by tommyt3rd)

Hello! Find all real zeros of the polynomial. Use the quadratic formula if necessary (answered by jim_thompson5910,Alan3354)