Integrated Math 1 (help please??:( )
posted by Tifini on .
You can factor the polynomial f(x)=x^219x+70 as (x+a(x+b). The values for a and b are _____.
A. a=10, b=9
B. a=19, b=70
C. a=5, b=14
D. a=16, b=3
E. none of the above.

(x+a)(x+b) is what i meant.. sorry!

ab=70. Which choice does that.

since 70 = 5*14,
(x5)(x14)
so, (C)