18.6k views
0 votes
2r² +23r+56=0
Solve by factoring

2 Answers

3 votes

Use the quadratic eqation:

-B +/-
\sqrt{B^(2)-4AC }/2A

-23 +/-
\sqrt{23^(2) -(4 )(2)(56) }/ (2) (2)

-23 +/- 9/4

Two roots are:

-23 + 9/4 = -7/2

and

-23- 9/4 = -8

User Tenshi Munasinghe
by
7.9k points
3 votes

mid-term factorization

User Michael Rahenkamp
by
8.3k points

Related questions

asked Jun 18, 2021 28.0k views
Sanjay Goswami asked Jun 18, 2021
by Sanjay Goswami
7.7k points
2 answers
2 votes
28.0k views
asked Sep 23, 2016 104k views
Soverman asked Sep 23, 2016
by Soverman
7.8k points
2 answers
1 vote
104k views
asked Dec 9, 2017 183k views
Chenhe asked Dec 9, 2017
by Chenhe
7.8k points
1 answer
2 votes
183k views