# 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 100274: If x+p is a factor of ax*+bx+3, show that p(b-ap)=3. Click here to see answer by jim_thompson5910(28476)

 Question 100293: Not sure why this problem is such and issue for me. 1. What values for x must be excluded in the following fraction? -1/x-8 Click here to see answer by tutorcecilia(2152)
 Question 100293: Not sure why this problem is such and issue for me. 1. What values for x must be excluded in the following fraction? -1/x-8 Click here to see answer by bucky(2189)

 Question 100339: I need to write a 'rational expression' for the following. To paint a room, knowing that one gallon of paint covers approx. 400 square feet.My walls are 14 feet long by 9 feet high for 2 of them and 7 feet wide by 9 feet high for the other 2. How many gallons of paint do I need?Please how do I write this using a rational expression?Thank you. Click here to see answer by checkley71(8403)

 Question 100612: CAN YOU TELL ME IF 25 IS A RATIONAL NUMBER Click here to see answer by doukungfoo(195)

 Question 100771: Use the ac test to determine if the trinomial can be factored. x^2+2y-15 Click here to see answer by stanbon(57205)

 Question 100820: The cost in dollars of manufacturing w wing nuts is given by the expression 0.07w + 13.3. Find the cost when 375 wing nuts are made. What is the average cost to manufacture one wing nut? Click here to see answer by stanbon(57205)

 Question 100882: decide all values of b in the following equations that will give one or more real number solutions. (A) 3x^2+bx-3=0 (B) 5x^2+bx+1=0 (c) -3x^2+bx-3=0 (D) Write a rule for judging if an equation has solutions by looking at it in standard form Click here to see answer by edjones(7569)

 Question 100893: The problem is: [(3y-4)/(49-y^2)] + [(2y+1)/(y-7)] I know i need to find the LCD but somehow my answer doesnt match the one in the back of the book. My answer is (2y^2+18y-3)/[(y-7)(y+7)]. Can you please help me! Thank you! Click here to see answer by scott8148(6628)

 Question 101195: I have to factor this polynomial , but I have no idea how to factor it..HELP ME [8x^(6n)]-[6x^(3n)]-9 Click here to see answer by sofiyacherni(99)

 Question 101175: Can you help me find GCF of the following product. (6y^2 - 3y)(y + 7) Thank you so much for your time. Click here to see answer by Earlsdon(6287)

 Question 101222: Use synthetic Division to find the remainder in the division: x^3 - 4x^2 + 5x +3 / x+1 **The /= fraction bar not division Click here to see answer by Nate(3500)

 Question 101173: Can I get help factoring the polynomial. 4s + 6st -14st^2. I'mm confused as what I need to do. Click here to see answer by scott8148(6628)

 Question 101171: Could I get some help with this problem. Find the greatest common factor for the following set of terms, 12a^3b^2, 18a^2b^3, 6a^4b^b. Thank you for your help. Click here to see answer by scott8148(6628)

 Question 101219: Do the operations and simplify: 2x/x^2-3x+2 plus 2x/x-1 minus x/x-2 **the /= the fraction bar Click here to see answer by edjones(7569)

 Question 101242: Factor the following trinomial completely x^2-11x-60 thank you for any help i can help Click here to see answer by jim_thompson5910(28476)

 Question 101256: Divide (6x3 - 5x2 - 13x + 13) ÷ (2x + 3) Please help. I need step by step help on this one. I have tried on my own and I cannot get the answer. Thank you so much. Click here to see answer by stanbon(57205)

 Question 101252: Find all the positive values for k for which each of the following can factored. x^2+x-k. please explain to me how to solve this problem and thank you in advance. Click here to see answer by stanbon(57205)

 Question 101243: factor the following trinomial completely 2a^3 - 52a^2b + 96ab^2 thank you so much for helping me out. Click here to see answer by tutorcecilia(2152)

 Question 101293: Can you help me factor this polynomial completely. -3s^2 - 10s + 8 Thanks for the help. Click here to see answer by jim_thompson5910(28476)

 Question 101290: Factor the following polynomial completely 14x^2 - 20x + 6 Can you explain the process to me on how to figure this out. I am a little lost. Click here to see answer by jim_thompson5910(28476)