Register
What is the solution set of 2x^2+x=15?
17.2k views
5 votes
What is the solution set of 2x^2+x=15?

User Stewie
by
5.8k points

1 Answer

3 votes

Answer:

x1 = -3, x2 = 5/2

Step-by-step 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

User Nikita Chernov
by
7.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.7m questions

8.8m answers

Other Questions

What values does atticus teach jem and scout?
Leviathon was apart of captian nemos crew true or false?
The walrus and the Carpenter The sun was shining on the sea Shining with all his might He did his very best to make The Billows smooth and bright And this was odd because it was the middle of the night
Which choice is an example of an incorrect or illogical comparison? A. This magazine has longer articles than that magazine does. B. Our school newspaper is produced more frequently than is the middle
Homesteading families who settled on the plains amused themselves at square dances. Which is the complete predicate of the sentence? families Homesteading families on the plains amused amused themselves
Link Copied!