Question
If f(-3)=0 determine the factors of f(x)=8x^3+74x^2+200x+150
haven't been able to figure out this question, the assignments due tonight if anyone could help that would be amazing
haven't been able to figure out this question, the assignments due tonight if anyone could help that would be amazing
Answers
oobleck
Review the Remainder Theorem. If f(a) = 0 then (x-a) is a factor of f(x)
A little synthetic division shows that
f(x) = (x+3)(8x^2+50x+50)
Now just factor the quadratic as usual
A little synthetic division shows that
f(x) = (x+3)(8x^2+50x+50)
Now just factor the quadratic as usual