SOLUTION: Find all the rational zeros of f(x)= 4x^3 - 3x^2 - 22x

SOLUTION: Find all the rational zeros of f(x)= 4x^3 - 3x^2 - 22x - 15

Question 287852: Find all the rational zeros of f(x)= 4x^3 - 3x^2 - 22x - 15
Found 2 solutions by Alan3354, richwmiller:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
15 is
1*15 or 3*5
Try those first, plus and minus.

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
0 = (x-3)(x+1)(4 x+5)
so
x=3
x=-1
4x+5=0
4x=-5
x=-5/4
RELATED QUESTIONS
Find all of the rational zeros of... (answered by Nate)
Find all of the rational zeros of f(x)=4x^3-3x^2-22x-15. I can get the possible zeros... (answered by stanbon)
List all of the potential rational zeros of the polynomial function. Do not attempt to... (answered by solver91311)
Find all the rational zeros of f(x) = 6x^3�3x+11x^2�2. (answered by Fombitz)
Use the Rational Zeros Theorem to write a list of all possible rational zeros of the... (answered by richwmiller)
List all of the possible rational zeros of... (answered by Nate)
List all of the possible rational zeros of f(x) = 3x^5 - 7x^3 + 2x -... (answered by Edwin McCravy)
FIND ALL REAL ZEROES OF THE FUNCTION F(X)=2X^3+15X^2+22X-15 (answered by lynnlo)
list all the possible rational zeros of... (answered by solver91311)