![myparentsrock17](/avatars/5150.jpg)
myparentsrock17
20.04.2020 •
Mathematics
N^2-5n-24
show all work
Solved
Show answers
More tips
- H Health and Medicine How to Lower Your Child s Temperature?...
- F Food and Cooking From Latte to Espresso: Which Coffee Drink is the Most Popular on Earth?...
- C Computers and Internet How to Set Up Internet on iPhone? Detailed Guide with Step-by-Step Instructions...
- P Philosophy 8 привычек, чтобы достичь счастливой жизни...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- G Goods and services How to Choose the Right Iron: Purchase Tips...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- H Health and Medicine How to Choose the Right Glasses?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine AKDS Vaccination: Ensure Your Child s Safety...
Answers on questions: Mathematics
- M Mathematics What is the justification for step 2 in the solution process? 12 − x = 7x + 32 Step 1: -x = 7x + 20 Step 2: -8x = 20...
- M Mathematics Item 7 Adam is selling cookies for a fundraiser. The cookies cost him $1.49 a box. He is selling them for $2.25 a box. Adam sold 209 boxes of cookies. How much profit did...
- S Social Studies These questions are about the movie “Spare Parts” Each of the students (Lorenzo, Luis, Oscar, and Christian) had different skill sets. Describe how each of them contributed...
- S Social Studies For quartering large bodies of armed troops among us —declaration of independence this quote from the declaration of independence most likely refers to which colonial complaint?...
- M Mathematics Evan told his class that the people in his family have 14 legs altogether.quinton said that there must be 7 people in even s family.is quinton correct.explain....
Ответ:
-3,8
Step-by-step explanation:
1) we can factor this since this quadratic function is in the form of
ax^2+bx+c
where we need to find out what*what=c
and what+what=b
since c is -24 and b is -5 we need to figure out the factors of -24 which equal -5:
-8+3=-5
and
-8*3=-24
hence -8 and 3 is our factors, next we will substitute them in place of "b"
so
n^2-8n+3n-24
split this equation in two groups:
group 1) n^2-8n
group 2) 3n-24
gcf of group 1= n
so
n(n-8)
gcf of group 2: 3
so
3(n-8)
next take numbers outside of parentheses and group them together:
so (n+3) (n-8)=0
since anything times 0 is equal to 0, either (n+3) is 0 or (n-8) is 0
so
n+3=0
n=-3
n-8=0
n=8
hence n=-3,8
Hope this helps!
Ответ: