bearninja
bearninja bearninja
  • 02-09-2016
  • Mathematics
contestada

What do you times together to get -20 and add together to get 24??

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 04-09-2016
Let the two numbers be x and y
xy = -20 . . . . . (1)
x + y = 24 . . . . .(2)
From (2), x = 24 - y . . . . . (3)
Putting (3) into (1), we have:
(24 - y)y = -20
24y - y^2 = -20
y^2 - 24y - 20 = 0
y = 12 + 2√41 and x = 12 - 2√41
Answer Link

Otras preguntas

Elena: ____________________ somos (are) de Puerto Rico. Carlos: Encantado. ellos ellas nosotros son
What type of energy do simple carbohydrates give?
How can you check your answer using place value patterns
What impact did the Byzantine empire have on the development of early Russian culture? (gIve answer and two examples with 3 full sentences)
Which of the following is not likely an intention of Da Vinci’s, when he created his work of art, entitled Old Man Contemplating the Flow of Water? a. The build
what was one accomplishment of the declaration of independence
Which is the correct classification of 18 squared 1.irrational number, non-repeating decimal 2.irrational number, terminating decimal 3.rational number, termin
Read the excerpt from chapter 23 of The Adventures of Huckleberry Finn. I stood by the duke at the door, and I see that every man that went in had his pockets b
One way for a country to curb runaway inflation is to​ ________.
If there is no gravity what will happen to earth?