susiesaylor90 susiesaylor90
  • 24-05-2020
  • English
contestada

What is the solution set of 2x^2+x=15?

Respuesta :

usernameusername566 usernameusername566
  • 24-05-2020

Answer:

x1 = -3, x2 = 5/2

Explanation:

2x^2+x-15=0

2x^2+6x-5x-15=0

2x*(x+3)-5(x+3)=0

(x+3)*(2x-5)=0

x+3=0

2x-5=0

x=-3

x=5/2

Answer Link

Otras preguntas

When her parents left she felt lonley as?
What is the average mass of a single chlorine molecule, Cl2?
What were european rulers attempting to do during the age of absolutism??
What id the highest government position a woman has held a d who held it?
why was there so much tomb robbing in ancient egypt
how do you solve this ? 4v^2-3=-v
Can someone help me with 28 plz
Why do andy erhart and other friends of herb clutter offer to clean the house?
5 1/5 divided by 2 1/6
Why did the Romans have trouble ruling britian?