solve x^3-7x^2+159x-9=0 by synthetic division
Answers
Answered by
42
Step-by-step explanation:
Explanation:
Because (a - b + c - d) = 0, then f(-1) = 0. One factor is (x + 1).
After division -->
#f(x) = (x + 1)(x^2 + 6x + 9) =#
#f(x) = (x + 1)(x + 3)^2#
Hope it will help you
Flw=Flw back
Answered by
10
Because (a - b + c - d) = 0, then f(-1) = 0. One factor is (x + 1).
After division -->
f(x)
=
(x+1)(x2+6x+9)=
f(x)=(x+1)(x+3)
x=-1,-3
Similar questions