denym58
14.01.2020 •
Mathematics
3. a positive number is 56 less than its square. find the number.
Solved
Show answers
More tips
- C Computers and Internet Can You Insert a Regular SIM Card into an iPad? Let s Find Out...
- F Food and Cooking Лечо: вкусное и простое блюдо для любой кухни...
- H Health and Medicine Relieving Swelling in Legs: Causes and Ways to Alleviate the Symptom...
- S Style and Beauty How to Get Rid of a Bruise: Tips and Tricks...
Answers on questions: Mathematics
- M Mathematics Can 0.277778 be converted into a whole number?...
- M Mathematics 10 (3n – 5) = –2+1+4 + 7 + 10 = 20 n=1...
- E English How does dr. king defend the claim he makes in paragraph 9...
- M Mathematics The Williams family went out for dinner last night. The bill came to $59.95. What amount should they leave if tax is 7% and they want to leave a 20% tip? A.$16.19 B.$43.76 C.$76.14...
- M Mathematics Find the surface area and volume of the rectangular hexagonal prism shown below. the base has an area of 30.6 square centimeters....
- H History Which of the following is a clue that seminole culture was more appealing to african americans than southern american culture? black seminoles formed separate communities. black...
Ответ:
8
Step-by-step explanation:
X+56=x^2
X^2-x-56=0
X^2-8x+7x-56=0
X(x-8)+7(x-8)=0
(X+7)(x-8)=0
X+7=0 or x-8=0
X=-7 or x=8
Ответ: