khaekhae10
25.06.2019 •
Mathematics
Which of the following are solutions to the equations below? x^2+x-20=0
Solved
Show answers
More tips
- F Food and Cooking Discover Delicious Recipes You Can Make with Ground Meat...
- C Computers and Internet Google Search Tips and Tricks: Everything You Need to Know...
- S Science and Technology Why is there no gravity on other planets?...
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
- L Leisure and Entertainment How to Make a Paper Boat in Simple Steps...
- T Travel and tourism Maldives Adventures: What is the Best Season to Visit the Luxurious Beaches?...
- H Health and Medicine Kinesiology: What is it and How Does it Work?...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
Answers on questions: Mathematics
- M Mathematics Question will be in the picture below, in advance!...
- M Mathematics What is the perimeter of a square if one side is 2 one side is 5 one side is 3 and the last side is 3...
- M Mathematics Question will be in the picture, in advance!...
- M Mathematics Which of the following types of transformations is not an example of an isometry? reflection rotation translation dilation...
- M Mathematics Which of the following conclusions is true based on the scatterplot shown above?...
- M Mathematics Find limit as x approaches two of quantity x squared minus four divided by quantity x minus two. you must show your work or explain your work in words....
- M Mathematics The question is in the attachments enter the number only topic is middle school mathematics....
- M Mathematics Toben bought 5 1/2 pounds of chicken, which cost $3.50 per pound. what was the total cost of the chicken?...
- M Mathematics Which statement about statistical analysis is false? ( 1) experiments can suggest patterns and relationships in data. (2) experiments can determine cause and effect relationships....
- M Mathematics 135 people play at least one sport of tennis, rounders, and athletics. 65 play tennis, 41 play rounders, and 68 play athletics. 14 play tennis and rounders 8 play rounders and athletics....
Ответ:
x=4 x=-5
Step-by-step explanation:
x^2+x-20=0
Factor
What 2 numbers multiply to -20 and add to 1
-4*5 =-20 and
-4+5 =1
(x-4) (x+5) =0
Using the zero product property
x-4 =0 x+5=0
x=4 x=-5
Ответ: