Solve: 7(x-2)(x-3)-(x-21)(x-14)=24.

please email me my answer and help me
in Other Math Topics by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

Solve: 7(x-2)(x-3)-(x-21)(x-14)=24.

expand the brackets.

7(x^2 - 5x + 6) - (x^2 - 35x + 294) = 24

7x^2 - 35x + 42 - x^2 + 35x - 294 = 24

simplifying,

6x^2 = 276

x^2 = 46

x = +/- sqrt(46)

Answer: x = sqrt(46), x = -sqrt(46)

by Level 11 User (81.5k points)

Related questions

0 answers
9=4,21=9,22=9,24=10,8=5,7=5,99=100,100=7,16=?,17=?
asked Jun 26, 2013 in Statistics Answers by anonymous | 861 views
1 answer
What is the result of 3 4(21 7) 24=3.5
asked Jan 24, 2012 in order of operations by anonymous | 891 views
1 answer
is 9/24 equivalent to 7/21
asked Jan 16, 2012 in Fraction Problems by anonymous | 888 views
2 answers
which number comes next in this series 19,24,21,23,28,24
asked Aug 8, 2013 in Other Math Topics by joe | 1.9k views
1 answer
what is the cardinality of set 7,14,21,28,35,42,49,56,63
asked Jan 15, 2014 in Algebra 1 Answers by beadazzledtoo Level 1 User (180 points) | 2.2k views
1 answer
how do you get 14 using the numbers 2 6 7 17 21
asked Feb 4, 2013 in Word Problem Answers by anonymous | 694 views
2 answers
7:2, 12 to 4, 20/6, 21 to 14, 10 :5
asked Feb 3, 2013 in Pre-Algebra Answers by anonymous | 1.1k views
1 answer
3/14+10/21 divided (3/7)(9/4)
asked Oct 10, 2012 in Algebra 1 Answers by anonymous | 1.0k views
1 answer
What is LCM for 7, 14, and 21?
asked Sep 28, 2012 in Pre-Algebra Answers by anonymous | 2.5k views
1 answer
Is the following a proportion? Yes or no? 6/9 = 14/21
asked Oct 19, 2015 in Other Math Topics by anonymous | 652 views
2 answers
how many hours from 14:21 to 00:46?
asked Jul 15, 2013 in Other Math Topics by Sondra | 632 views
1 answer
If y = 24 when x = 21, find x when y = 18
asked Oct 30, 2019 in Algebra 1 Answers by anonymous | 417 views
0 answers
p= (21,22,23,24)
asked Jun 20, 2013 in Algebra 1 Answers by anonymous | 696 views
1 answer
What is the range of 38, 42, 35, 17, 24, 38, 21
asked May 21, 2013 in Geometry Answers by anonymous | 632 views
1 answer
What is 5 20/24 minus 4 21/24?
asked Apr 12, 2013 in Word Problem Answers by anonymous | 773 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,285 answers
2,420 comments
734,355 users