SOLUTION: Hello, could someone help me on these problems please? Thank you for your help. Find the zeros of the function algebraically. problem #21: f(x)=4x^3-24x^2-x+6 problem #22: f(x

Algebra ->  Functions -> SOLUTION: Hello, could someone help me on these problems please? Thank you for your help. Find the zeros of the function algebraically. problem #21: f(x)=4x^3-24x^2-x+6 problem #22: f(x      Log On


   

Question 104050This question is from textbook Algebra and Trigonometry
: Hello, could someone help me on these problems please? Thank you for your help.
Find the zeros of the function algebraically.
problem #21: f(x)=4x^3-24x^2-x+6
problem #22: f(x)=9x^4-25x^2 This question is from textbook Algebra and Trigonometry

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
#21 f(x)=(4x^2-1)(x-6)=(2x+1)(2x-1)(x-6)

#22 f(x)=(x^2)(9x^2-25)=(x)(x)(3x+5)(3x-5)

set the functions equal to 0 and solve for the x values