# Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 36714: How would I solve a complicated polynomial like Click here to see answer by longjonsilver(2297)

 Question 36757: HELP ME SIMPLIFY THIS PPLEASEEEE! I must show my work! Thank you kindly! -9n(1-n) + 4(n^2+n) Click here to see answer by stanbon(57203)

 Question 36817: evaluate 5m-2n for m = -3 and n = -2 is the answer -19? Click here to see answer by vidhyak(94)

 Question 36929: hi, i need help on these kind of problems solve for x, then write the equation as a polynomial. the problem is (x-3)(x-2)=0 thank you angel Click here to see answer by Alwayscheerful(414)

 Question 36938: can someone please simplfy this for me, i dont understand the solver, thank you so much.. (5x^3+8x^2-4x)+(3x^2+7x+1) Click here to see answer by mbarugel(146)

 Question 36974: I forgot how to multiply a binomial by a trinomial. I can't use the FOIL method, can I? Here's the problem: (4m+3)(4m-5m+6) Click here to see answer by checkley71(8403)

 Question 37081: i need some help on problem number 30 in algebra structure and method book 1. the problem is 0=3(1-2t)-5(2-t). here is how i did it, 0=3-6t-10+5t then 0=-7-6t+5t 0=-7-1 that is as far i can go. help? Click here to see answer by wuwei96815(245)
 Question 37081: i need some help on problem number 30 in algebra structure and method book 1. the problem is 0=3(1-2t)-5(2-t). here is how i did it, 0=3-6t-10+5t then 0=-7-6t+5t 0=-7-1 that is as far i can go. help? Click here to see answer by jcmtnez(53)

 Question 37137: ```Solve for x: 1 1 22 ——————— + ——————— = ————————— x - 4 x + 4 x² - 16``` Click here to see answer by AnlytcPhil(1276)

 Question 37140: ``` 3x² - 6x —————————— 3x``` Click here to see answer by AnlytcPhil(1276)

 Question 37138: Find a polynomial of degree 3 with roots 2i, 1, and 3. Find the rational roots if they exist of x3-3x2-2x-8 Determine the positive and negative real roots of 2x5+x4-3x3+x2-x+1 Find the other roots of x3+4x2-7x-10 if one root is 2 Click here to see answer by AnlytcPhil(1276)

 Question 37032: I need to simplify rational expression Here is my problem i am having trouble with 2x^2 - 3x -9 / 2x^2 + 3x -9 Any help please, it would be great Click here to see answer by fractalier(2101)

 Question 37262: I need to factor by grouping, if possible, and check. Click here to see answer by checkley71(8403)

 Question 37222: Between April 1,2004, and May 1,2004, the world populationgrew from approximately 6,358,000,000 to 6,364,000,000. What is the growth rate per month given in scientific notation? Click here to see answer by stanbon(57203)

 Question 37266: I am having trouble. I need to factor completely. If a polynomial is prime, state this. x^2-11xy+24y^2 Click here to see answer by stanbon(57203)

 Question 37276: Help! I need to factor completely. If a polynomial is prime, state this. Click here to see answer by checkley71(8403)
 Question 37276: Help! I need to factor completely. If a polynomial is prime, state this. Click here to see answer by venugopalramana(3286)

 Question 37328: Im having trouble with the following question: Solve the following (be sure to check for extraneous roots) x/5[SQRT(2x+10)]+1/[SQRT(2x+10)]=1/5 My teacher tould me to try changing 1/[SQRT(2x+10)]to 5/[5*SQRT(2x+10)]. I tried to simplify it and got to 12x/25+1/[SQRT(2x+10)]=1/5 I'm stuck and don't know what to do. Any help would be greatly appreciated. Thank you! Click here to see answer by longjonsilver(2297)

 Question 37334: Simplify 4 sqrt 16x^3y^2 - 5y sqrt 4x^3. Not sure how to handle this. Any help is greatly appreciated. Click here to see answer by checkley71(8403)

 Question 37551: I cannot figure this out, please help! The volume of the box is represented by (x^2 + 5x + 6)(x + 5). Find the polynomial that represents the area of the bottom of the box. Click here to see answer by fractalier(2101)

 Question 37552: If the first side of a triangle is 3/4x, the second side is 1/x^2 and the third side is 5/x^2, find an expression that represents its perimeter. Click here to see answer by jcmtnez(53)

 Question 37556: Can you show me how to solve this? 5a-12/a^2-8a+15 - 3a-2/a^2-8a+15 Click here to see answer by vidhyak(94)

 Question 37558: Could you please help me figure out this problem. 4y/y^2+6y+5 + 2y/y^2-1 I keep coming up with 2y^2/6y+5 Is this right, should it be broken down more? I appreciate your help! Click here to see answer by fractalier(2101)

 Question 37561: Can someone please help with this? I don't understand! If the length of one side of a rectangle is x/2x-5 and the width is 8/2x-5, find the perimeter of the given figure. Would it be 6? Click here to see answer by fractalier(2101)