jrleifeste jrleifeste
  • 03-04-2017
  • Mathematics
contestada

what are the roots of the polynomial equation x^2+8x-48=0

Respuesta :

newalexa newalexa
  • 03-04-2017

 Given polynomial x^2+8x-48 = 0

x^2+12x-4x-48 = 0

x(x+12)-4(x+12) = 0

(x+12)(x-4) = 0

x+12 = 0

Subtract 12 from each side.

x+12-12 = 0-12

x = -12

and x-4 = 0

Add 4 to each side.

x-4+4 = 0+4

x = 4

Roots are -12,4.

Answer Link

Otras preguntas

Simplify the expression. 3/4(z+2/5)+2z
Please read the question ​
-3x - (2y)^2 pls help
6) A bag contains 4 red marbles, 3 green, 5 blue. Someone offers you a game : If you pick red marble you win $4, if blue loose $2, green loose $1. What is the e
What is the equation of the line that passes through the point (-6, -5) and has a slope of -1/2 ?
What is machiavelli’s primary purpose in writing this passage? to inform readers about the relationship between a prince and his servants to entertain readers w
Plssssssssssss helppppppp
According to research, women and men differ in the way they experience and respond to stressors. When coping with stress, men were more likely than women to
Is this an example of a unit rate? 45 miles per hour. Yes or No
Help PLEASEEEEE ,,,,,,,,!!!!!!