Ask
your own question, for FREE!
Mathematics
20 Online
Solve the following equation: x(13 − x) = 42
Still Need Help?
Join the QuestionCove community and study together with friends!
first, x(13) is what?
13x?
x13-x^2=42
correct, and x(-x) is what?
-x^2
Still Need Help?
Join the QuestionCove community and study together with friends!
-x^2+13x-42=0 x^2-13x+42=0
so, I put it together like Irodd said, then...
(x-7)(x-6)=0
i put it in order...
yes! now we have 13x-x^2=42
Still Need Help?
Join the QuestionCove community and study together with friends!
x=7 and x=6
x=7, x=6
you're welcome
he did it and gave you the answer... so I tried...
Thanks everyone
Still Need Help?
Join the QuestionCove community and study together with friends!
no prob.
you still helped, it's ok lol next question?
sure.
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
Timmy23:
The miles stretch out like empty track, A heavy weight I cannot pack. You mean the world, you mean the sun, Yet here we are, the hard work doneu2014 Or tryi
EdwinJsHispanic:
Sad how it was so easy to make you say yes. Also sad how I really thought you would say no but you said the one word I'd never thought you'd say.
thereneelg:
Okay....I'm doing a group solo for choir. Auditions are Tuesday (?), Any tips on
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
2 hours ago
5 Replies
0 Medals
19 hours ago
1 Reply
0 Medals
15 hours ago
1 Reply
0 Medals
2 days ago
3 Replies
0 Medals
2 hours ago
3 Replies
0 Medals
2 days ago
3 Replies
0 Medals
3 days ago
5 Replies
0 Medals
5 days ago
3 Replies
1 Medal