lazlin lazlin
  • 11-10-2020
  • Mathematics
contestada

x2 - 10x + 21 = 0
How do you work this problem?

Respuesta :

Space
Space Space
  • 11-10-2020

Answer:

x = 3, 7

Step-by-step explanation:

Step 1: Write equation

x² - 10x + 21 = 0

Step 2: Factor

(x - 7)(x - 3) = 0

Step 3: Find roots

x - 7 = 0

x = 7

x - 3 =0

x = 3

Answer Link

Otras preguntas

Make 7/10 into a decimal? And how do I convert 7/17 into a decimal?
Each of the following is in business primarily to make money for investors EXCEPT: A. banks B. credit unions C. savings and loans D. finance companies
How did Indian nationalism grow prior to World War II
What is the input of energy for a device that provides 50 units of useful energy and has an efficiency of 0.55?
Which statements accurately describe the Persian Wars?(multiple choice) Choose all answers that are correct. A. Xerxes thought he could conquer Greece because
How much did it cost for second class passangers on Titanic
which of these take place during a chemical change
Which of the following locations is most likely to have cold weather patterns? lands near the Tropic of Cancer mid-latitude land that has oceans on at least one
What type of language is Russia? A.) Romance B.) Slavic C.) English D.) German
Ed has 1.2 liters of water. He drank 200 ml how much water was left