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

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

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

 Question 604852: find all numbers for which the rational expression is undefined m^3-8m/m^2-49 Click here to see answer by nerdybill(6958)

 Question 604842: I can't remember how to set this one up. Can I get a step-by-step? Find the following product: -8x^3y(-7x^5y^4) Click here to see answer by jim_thompson5910(28593)

 Question 604919: how do you solve the polynomial equation? 9n-√3x^2 Click here to see answer by unlockmath(1599)

 Question 605058: (x^(3) - x)/(x^(3) + 5x^(2) - 6x) Can you please help me understand how to turn around an expression with negative one and stuff like that, thank you! Click here to see answer by ankor@dixie-net.com(15649)

 Question 605095: what expression is a factorization of 2x to the second power plus 7x minus 30 Click here to see answer by stanbon(57307)

 Question 605210: Luke,Eddie, and Ryan can complete a job in 1 hour and 20 minutes if they work together. Working alone, it take Ryan 1 hour more to complete the job than it takes Luke, and Luke works twice as fast as Eddie. How much time would it take each to complete the job working alone? Click here to see answer by alicealc(281)

 Question 605211: A bowl contains fruit punch that is 1/2 cranberry juice. When 6 cups of cranberry juice are added to the bowl, the resulting is 2/3 cranberry juice. How many cup of punch were in the bowl to start with? Click here to see answer by lwsshak3(6493)

 Question 605171: Hi I have a question: ((3x-2)/(x+2))-(2/(x-2)) I know that the answer is 3/(x+2) But I don't understand how? Thanks! Click here to see answer by mananth(12270)

 Question 605254: f(x)=kx^3-8x^2-x+3k+1 is divisible by x-2. Find the value of k. Thanks. Jaime Click here to see answer by Edwin McCravy(8908)

 Question 605432: i need to see work for (25x^4-30x^3+25x^2-30x) / (5x) Click here to see answer by jim_thompson5910(28593)

 Question 605459: What is 3x to the 2nd power - 48 factored? Click here to see answer by scott8148(6628)

 Question 605653: Please solve for T=6.23 10^8/yz, when y = 3.8 x 10^4 and z = 2.57 x 10^3 Click here to see answer by lawdej(58)

 Question 605860: use synthetic division to determine f(2) if, f(x) = 5x^3+2x^2-x+1 Click here to see answer by nerdybill(6958)

 Question 605926: Multiply. Try to recognize the type of product before multiplying. (8a^3+5)(8a^3-5) Click here to see answer by solver91311(16877)

 Question 606001: Solve by factoring and using the principle of zero products. 0=20x+x^2+100 Click here to see answer by unlockmath(1599)

 Question 606205: show all work. Suzie’s flower shop estimates that supplies costs for one month will be given by the polynomial 5x^2 + x – 4. She estimates that utilities costs for one month is given by 8x – 7. Find and simplify an expression that would estimate Suzie’s total costs for one month. Click here to see answer by stanbon(57307)

 Question 606214: Because of the traffic Kurt can drive home from work 20 miles faster than he can drive to work. Home from work 30 miles trip takes 1/3 less time than when he goes to work. How long does it takes Kurt to drive to work? Click here to see answer by htmentor(789)

 Question 606166: factor completely. if the polynomial is prime state this. do not use quadratic formula. 9t squared + 14t + 5 Click here to see answer by lynnlo(4155)

 Question 606308: what is the slope of the line represented by the following equation? y=2x-1 a. -1 b. 1/2 c. 1 d. 2 Click here to see answer by rfer(12657)

 Question 606433: Hi, were working on factoring right now in class. We've factored the trinomial but now we are working on functions and I'm lost can you help please? Click here to see answer by KMST(1868)

 Question 606587: classify the expresion as monmial,binomial,trinomial,or not a polynomial -3a2b4c Click here to see answer by richard1234(5390)

 Question 606665: Determine the zeros of the function x2-16x + 63 = 0 Click here to see answer by ewatrrr(10682)

 Question 606793: Helping my niece with her home work. Can you help me simplify or solve the below equation? ((r+5)/r^2)+(1/5r^2)=3/r^2 Click here to see answer by richwmiller(9135)