need the answer to x2+2x;x=3 for x=3,x2+2x=

Evalute the algebraic espression for the given value of the variable
in Pre-Algebra Answers by Level 1 User (240 points)

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

need the answer to x2+2x;x=3 for x=3,x2+2x=
Evalute the algebraic espression for the given value of the variable

x = 3
x^2 + 2x = 3^2 + 2(3) = 9 + 6 = 15
by Level 11 User (78.4k points)

Related questions

1 answer
need the answer to x=4,x2+4x=answer
asked Jan 4, 2012 in Pre-Algebra Answers by bishoplcl Level 1 User (240 points) | 705 views
2 answers
If x2+4x3/2 a polynomial .justify your answer
asked Jun 9, 2016 in Algebra 2 Answers by anonymous | 2.3k views
1 answer
answer to this problem: f(x)= 3x-2/x2+1
asked Dec 19, 2013 in Calculus Answers by anonymous | 560 views
1 answer
whats the answer to X2+8x+7=
asked Feb 25, 2013 in Algebra 1 Answers by anonymous | 527 views
0 answers
Y=x2+8x+15 whats the answer
asked Feb 22, 2013 in Algebra 1 Answers by anonymous | 624 views
1 answer
What is the answer to x2+12x=0?
asked Oct 9, 2012 in Algebra 2 Answers by anonymous | 500 views
1 answer
what is the answer x2 + 7x + 18?
asked Apr 26, 2012 in Algebra 1 Answers by anonymous | 1.3k views
0 answers
what is the answer to 5(x)=-x2+110x-1,000
asked Mar 10, 2012 in Algebra 1 Answers by anonymous | 844 views
0 answers
What is the answer to - x3 (-x)2 (-x2)
asked Feb 15, 2012 in Algebra 1 Answers by anonymous | 519 views
1 answer
What is the answer to x2+3x-4
asked Jan 31, 2012 in Algebra 1 Answers by anonymous | 638 views
1 answer
answer to x2+y2=13 y=2
asked Dec 15, 2011 in Algebra 1 Answers by anonymous | 1.6k 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(12รท4+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
100,279 answers
2,420 comments
732,516 users