14.9k views
3 votes
Find x such that 2x^2 +2x=12

User Davenpcj
by
7.7k points

1 Answer

4 votes

Answer:

2 and -3

Explanation:

2x^2=4x

4x+2x=12

6x=12

how many times does 6 go into 12?

right, 2 times!

x=2

---

2x^2+2x-12=0

x^2+x-6=0

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

X=-3 and 2

User Nollidge
by
6.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.