mubarakabdi619 mubarakabdi619
  • 26-04-2020
  • Mathematics
contestada

The square of a number is 15 more than 2 times the number

Respuesta :

wlaaalisaid wlaaalisaid
  • 26-04-2020

x^2 = 2x + 15

x^2 -2x - 15 = 0

Factor:

(x-5)(x+3) = 0

x = 5 or x = -3

Answer Link

Otras preguntas

What part of an hour is 45 minutes ?
23 o Cold War Test In 1954, Emmett Till, a 13 year old African America, was killed by 2 older men. The two men faced trial and were eventually found innocent. M
Life on Earth is carbon-based. Carbon is a IVa (14) element. How many bonds does carbon want to make? * 3 2 1 4
What is the measure of each angle? plz hurry and this will be 40 points :D
whats the property someone plz help
treasure trea • sure [TRE-zher] n. 1. wealth such as money, jewels, or precious metals 2. something of great worth or value 3. a collection of precious things A
what year is 40040040040049039qji34btuewrbgsnbbg snk g smart
help me plz due today​
Simple math true and false. not that hard. 11th grade math though
8. A vosotros _____ ____________ (repugnar - to dislike, disgust) la gente mentirosa. 9. A ti no ____ __________________ (importar) mucho el dinero. 10. A los n