Welcome to Maths Questions and Answers, where you can ask questions and receive answers from other members of Mathster.

Only your first name and the initial of your surname is publicly displayed for your privacy and protection. Please behave appropriately and with respect for others. Never give out personal identification or contact details. Mathster staff and your maths teacher reserve the right to terminate your access to this service at their discretion.

Most popular tags

How do you do 4c2−11c−45 ? :(

–5 votes
328 views

Pleaaaaaase help me

asked Oct 8, 2014 by Neave L a Novice (6 points)

2 Answers

0 votes

What do you mean by 4c2?

answered Feb 27, 2015 by Tanylle A a Novice (13 points)
0 votes

If you factorise

`4c^2-11c-45`

then it's (c-5)(4c+9), just used trial and error to find the right combination, there are systematic methods that work too.

answered Feb 28, 2015 by root r a Novice (29 points)

Related questions

–6 votes
1 answer 941 views
941 views
how do find the upper part of a fraction if there is no clue on telling you. question find the meaning of b b/5 = 9
asked Nov 24, 2015 by Scott v a Novice (27 points)
–2 votes
1 answer 322 views
322 views
how do you solve ?????? x 9000 = 11000
asked Sep 19, 2015 by Elise B a Novice (37 points)
–1 vote
1 answer 426 views
426 views
how do you do this?! 6 over 11 divided by 6 over 3
asked May 20, 2015 by Plain a Novice (22 points)
–7 votes
7 answers 1,836 views
1,836 views
how do you find the circumference in a circle
asked Apr 30, 2015 by Zerenna S a Novice (11 points)
–2 votes
2 answers 354 views
354 views
i hv no idea how to do all of these
asked Dec 7, 2015 by Heidi L a Novice (10 points)

Copyright 2013 Mathster.com

...