SOLUTION: This one stumps me and the book if NO help, no examples given that (3x-a)(x-2)(x-7)=3x^3-32x^2+81x-70, determine value of a???? I had no idea where to start.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: This one stumps me and the book if NO help, no examples given that (3x-a)(x-2)(x-7)=3x^3-32x^2+81x-70, determine value of a???? I had no idea where to start.      Log On


   

Question 55666This question is from textbook
: This one stumps me and the book if NO help, no examples

given that (3x-a)(x-2)(x-7)=3x^3-32x^2+81x-70, determine value of a????
I had no idea where to start. This question is from textbook

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(3x-a)(x-2)(x-7)=3x^3-32x^2+81x-70, determine value of a
Whey you multiply the constant terms of the three factors
you get (-a)(-2)(-7)=-14a
That product of constant terms must equal -70
EQUATION:
-14a=-70
a=5
Cheers,
stan H.