How to find the mixed number to a fraction:
Let's take 3/2 for instance.
1) You will see how many times the denominator (bottom number) goes into the numerator (top number) in this case that is one time.
2) You will place that number (1) off to the side like so --> 1
3) Then you will see how many parts are left, in this case that is 1 and place that number over the original denominator like so: 1/2
4) Finally you will just combine to get your answer- 1 1/2
Hope I helped,
-CSX :)
Answer:
x^3+5x^2+16x+80
Step-by-step explanation:
You know that you can write your polynom this way : (x-r1)(x-r2)(x-r3) with r1,r2 and r3 the roots so you get :
(x+5)(x+4i)(x-4i)
Simplify (x+4i)(x-4i) with the formula (a-b)(a+b)=a²-b²
so you have (x^2+16)=(x+4i)(x-4i)
Your polynom looks like this :
(x^2+16)(x+5) just expand it
and you get x^3+5x^2+16x+80
just work hard and help others as much as they help you:)
Points? couldn't really find anything else if it was a multiple choice question could u share the answers and maybe i can help then
