# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 8522: What is the remainder of- x^3+5x^2-6x+10(divided by) x+3 Click here to see answer by glabow(165)

 Question 8599: I am having the hardest time with this one. When I try to plug in x it does not work for this equation. Some one please let me know what I am doing wrong. Here is how I got my answer and everything. 5x -(2x + 1) = 2 - 3(x + 2) 5x - 2x - 1 = 2 - 3x - 6 3x - 1= -3x -4 3x + 3x = -4 + 1 6x = -3 x = -3/6 x = -1/2 Is this right? Where did I go wrong? Click here to see answer by rapaljer(4667)

 Question 8629: how do you factor out x squared plus 3x? Click here to see answer by rapaljer(4667)

 Question 8891: Respected sir, Factorize x^4-1 I have solved it like this: (x^2)2-(1)^2 (Formula a^2-b^2= (a+b)(a-b) (x^2+1)(X^2-1) But the answer is (x^2+1)(x+1)(x-1) Sir, my point is if the 2nd term i.e. (x^2-1)is further factorized to (x+1) (x-1), then why not the first term i.e. (x^2+1). Pl. make me understand. Click here to see answer by mrduffner(11)

 Question 8910: I am working hard to get to the point where I could solve word problems in Algebra. Problem: The second angle of a triangular parking lot is four times as large as the first angle. The third angle is 45 degrees less than the sum of the other two angles. How long are the angles? Click here to see answer by Abbey(339)

 Question 8908: I have done this before, however I am not coming up with the correct way to solve the problem. Ax+By=c solve for y? Click here to see answer by Abbey(339)

 Question 9125: A tuna can has a diameter of about 8cm. and a height of about 3 cm.what is the volume of the tuna can? (the answers are.......150.72cm, 75.36cm, 602.93cm,or none of these) P.S. each of the problems have a little 3 at the top right corner I just couldn't find a key for that button. Click here to see answer by longjonsilver(2297)

 Question 9223: the line 2x+3y=1 intersects the curve x(x+y)=10 at A and B.Calculate the coordinates of A and of B. Click here to see answer by ichudov(499)

 Question 9276: My problem is solve the equation for the variable A. As well as show how to get to that solution. (A+B)/C=D Click here to see answer by DWL(56)

 Question 9281: My problem is solve the equation for the variable A. As well as show how to get to that solution. A with the exponent of 2 times B = C Click here to see answer by DWL(56)

 Question 9283: My problem is solve the equation for the variable A. As well as show how to get to that solution. B/A=C Click here to see answer by DWL(56)

 Question 9295: what is........three plus the product of a number and 5? Click here to see answer by Volleyball_luver23(4)

 Question 9307: need an equation the perimeter of a square equals four times a side I am new at this!!!! Click here to see answer by DWL(56)

 Question 9429: what is x and how do you do it 1/2x+1/3x=8 yahnk you soooooooooooooooooooooooooooooooooo much Click here to see answer by prince_abubu(198)

 Question 9191: How do you simplify equations using the distributive method? Click here to see answer by rapaljer(4667)

 Question 9601: I understand this equation in that everything I do to one side I have to do to the other. I am horrible at fractions and stump myself. Please help me solve this equation. 180=1/3x+x+1/3x+10 Thank You Click here to see answer by askmemath(368)

 Question 9131: Desperate Mother trying to check my childs homework problems. I havn't seen Algebra in years. PLease Help!!!!! Thank You can'tsolve 13+c=-38 w+14=-8 4.2=n+7.3 y+(-10)=6 y-7=8 -13=5+x 19-k=32 x-4=6 -12=7-h -15=u+(-5) j-(-17)=36 -10-a=-17 y-(-1.5)=0.5 k +(-4.21)=-19.3 52=41-u s+(-28)=0 9/10=k+7/10 -7/8-x=-7/12 Click here to see answer by CharStar(110)

 Question 10224: My daughter is having problems with the following equations. I just wanted to make sure I was doing them correctly. 4(-3x+1=-10(x-4)-14x -4(3+x)+5=4(x+3) 1/2x-5/3=-1/2x+19/4 -12x+4=-10x+40-14x -12-4x+5=4x+12 x=19/4+5/3 -12x+4=-24x+40 -7-4x=4x+12 x=57/12+20/12 4=-24x+12x+40 -19=8x x=77/12 -36=-12x -19/8=x -36/-12=x 3=x Click here to see answer by rapaljer(4667)

 Question 10243: 3x + 18 + 3(x+2) = 6x + 54 Solve for x. Click here to see answer by gsmani_iyer(180)