Ask
your own question, for FREE!
Mathematics
60 Online
solve: 2x^2 = -7x + 15
Still Need Help?
Join the QuestionCove community and study together with friends!
\[2x^{2}=-7x+15\] move everything to one side \[2x^{2}+7x-15=0\] you can try and factor this, but because I'm lazy I'll just plug it into the quadratic formula \[a=2,b=7,c=-15\]
\[\frac{ -b \pm \sqrt{b^{2}-4(a)(c)} }{ 2(a) }\]
\[x=-5,\frac{3}{2}\]
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Taku12:
is it nessicary to learn formulations of 3x3 applications?
danielfootball123:
Daniel was playing football with his friends at a church, and he saw a girl actually a very pretty one.
DonaldTrumpofQC:
BUICK - Big Ugly Import Car Killer CHEVY - Can Hear Every Valve Yell (or Cannot H
AsianPanda08:
For my english project i need to ask and get at least 5 responses from different
14 minutes ago
19 Replies
0 Medals
1 hour ago
20 Replies
2 Medals
9 hours ago
0 Replies
0 Medals
1 day ago
27 Replies
2 Medals