Question 55666
 (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.