jewelbookers
jewelbookers jewelbookers
  • 21-02-2020
  • Mathematics
contestada

Algebra Solve for x? use the quadratic formula
3X2-2x-20=-4

Respuesta :

Onoriodefelix
Onoriodefelix Onoriodefelix
  • 21-02-2020

Answer:

x = -5

Step-by-step explanation:

Given 3X2 -2x -20 = -4

6 - 2x - 20 = -4

Collect like terms .

-4 crossses the sign of equality and becomes +4 same also for -2x which changes to +2x

That’s 6 + 4 -20 = 2x

10 - 20 = 2x

-10 = 2x

Divide both sides by 2

-10/2 = 2x /2

-5 = x

x = -5

Answer Link

Otras preguntas

Why do some readers like biographies?
does chromosome 9 cause bladder cancer?
In the us, intellectual ____ is protected through patents, trademarks, trade secrets, and copyrights. a. coercion b. property c. freedom d. simulation
20. Firewood is often sold by the cord. A cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. What's the volume of a cord of wood in cubic feet?
What artifact would best symbolize knowledge?
Why did the Kingdom of Israel split?
Which of the following is equal to 4 and 1 over 2 divided by 2 and 2 over 3? 4 and 1 over 2 times 2 and 3 over 2 9 over 2 times 8 over 3 9 over 2 times 3 ove
Professor Merrick conducts an experiment and finds that people in a good mood tend to remember happy events they have experienced whereas people in a bad mood t
Fill in the blank with the Spanish word that best completes the following sentence. Juan ____________ al metro. a pie sube desde lejos
Given the function g(x) = 4(3)x, Section A is from x = 1 to x = 2 and Section B is from x = 3 to x = 4. Part A: Find the average rate of change of each section.