Ask
your own question, for FREE!
Mathematics
17 Online
OpenStudy (anonymous):
Simplify the following: (9x + 7)(3x - 1)
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
do you no what FOIL is?
OpenStudy (anonymous):
you should expalian it to them
OpenStudy (anonymous):
true my bad. okay.. (9x+7)(3x-1) you multiply 9x(3x)=27x^2 then 9x(-1)=-9x then 7(3x)= 21x then 7(-1)= -7 so your equation would be 27x^2-9x+21x-7 so if you simplify -9x+21x= 12x so your new equation is 27x^2+12x-7 (sorry I didn't explain it at first)
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
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
3 hours ago
5 Replies
0 Medals
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.
19 hours ago
1 Reply
0 Medals
thereneelg:
Okay....I'm doing a group solo for choir. Auditions are Tuesday (?), Any tips on
16 hours ago
1 Reply
0 Medals
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
2 days ago
3 Replies
0 Medals
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
3 hours ago
3 Replies
0 Medals
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
2 days ago
3 Replies
0 Medals
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
4 days ago
5 Replies
0 Medals
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
5 days ago
3 Replies
1 Medal