# 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 95533: I am really stumped by this problem. I keep coming up with an answer that can't be right. My final answer is always 192000000000000000000/18000000000=10666666666.666666666666666666667. This is the only problem in this section of my material that I cannot come up with. Please help me!! The problem is (6x10^12)(3.2x10^8)/(6x10^7)(3x10^2) Click here to see answer by stanbon(57967)

 Question 95539: Write in descending-exponent form, and give the degree 4x^5 + x^8 – 7 Click here to see answer by stanbon(57967)

 Question 95545: Tutor could you please show me how to solve this problem? Rewrite the middle term as a sum of two terms and then factor completely. 12w^2 + 19w + 4 I can get as far as a = 12 b = 19 c = 4 mn = 48 m + n = 19 then I get a bit lost. Thank you Click here to see answer by checkley71(8403)

 Question 95372: summer homework,forget how to do it- five x minus 1 over 9 plus two x plus 4 over 6 equals three x minus four over 3. Solve for x.thank you Click here to see answer by ankor@dixie-net.com(15746)

 Question 95559: Hello! Solve the following equations algebraically: t^(1/2)-2t^(1/4)-3=0 I have worked this problem to a certain point. I am stuck and cannot get past. Here is my work: I made u equal t^(1/4) u^2-2u-3=0 factors out to be u=1, -3 Here is where I am stuck. Any help will be greatly appreciated. Click here to see answer by stanbon(57967)

 Question 95578: Can you please help me by showing me how to simplify this. ((3x^a y^b)^3/ (-3x^a y^b)^2 )^2 I am not sure if I am writing this properly. The problem is written as a fraction and the entire problem is squared. Click here to see answer by checkley71(8403)
 Question 95578: Can you please help me by showing me how to simplify this. ((3x^a y^b)^3/ (-3x^a y^b)^2 )^2 I am not sure if I am writing this properly. The problem is written as a fraction and the entire problem is squared. Click here to see answer by stanbon(57967)

 Question 95596: Good Evening Tutor, I am not sure how to solve this problem can you help? Factor each polynomial completely. Begin by stating which method should be applied as the first step. Then continue by factoring each polynomial completely. 2p - 6q + pq -3q^2 I would group terms correct? I get (2p - 6q) + (pq - 3q^2) but I am not sure this is correct. Could someone please show me how to solve? Thank you. Click here to see answer by stanbon(57967)

 Question 95598: Can you help me tonight with this problem? Find all positive values for k for which each of the following can be factored. x^2 + x - k Thanks for your help. Click here to see answer by stanbon(57967)

 Question 95597: Tutor, Good evening I am have difficulties with this problem could you help me? Solve each of the following quadratic equations. 4x^2 = 13x + 12 I am so confused on how to solve this problem. Thanks in advance for your help. Click here to see answer by stanbon(57967)
 Question 95597: Tutor, Good evening I am have difficulties with this problem could you help me? Solve each of the following quadratic equations. 4x^2 = 13x + 12 I am so confused on how to solve this problem. Thanks in advance for your help. Click here to see answer by edjones(7569)

 Question 95465: Perform the indicated operation. Simplify if possible. 42/7x + 40/8x Click here to see answer by edjones(7569)

 Question 95617: Science and medicine. The combined resistance of two resistors and in a parallel circuit is given by the formula Simplify the formula. Could some one please help me I am completely lost on this one. Click here to see answer by stanbon(57967)
 Question 95617: Science and medicine. The combined resistance of two resistors and in a parallel circuit is given by the formula Simplify the formula. Could some one please help me I am completely lost on this one. Click here to see answer by edjones(7569)

 Question 95614: Solve and check. Not really understanding this. Could someone please show me how to solve this correctly? Click here to see answer by stanbon(57967)

 Question 95612: I have no clue how to solve this problem would you please show me how? Factor completely 9x^2 + 12xy + 4y^2 - 25 Thank you I am stuck. Click here to see answer by stanbon(57967)

 Question 95611: If I could get some help with this problem I would appreciate it. Factor each of the following trinomials completely. 2a^3 - 52a^2b + 96ab^2 I keep coming up with something strange I know it is not correct. Help please? Click here to see answer by stanbon(57967)

 Question 95619: Solve and check for x. Could someone show me how to solve this equation, Please. Click here to see answer by ankor@dixie-net.com(15746)

 Question 95672: The square of a number added to the original number is 72. Determine all possible values of the number. Click here to see answer by checkley71(8403)

 Question 95669: Determine the solutions for the following polynomial. 9x^5 - 21x^4 = 0 Click here to see answer by checkley71(8403)

 Question 95622: I have a question. I am supposed to find the GCF of each product. (6y^2 - 3y) (y + 7) I got 3y (3y + 7) when I worked it out but I am not showing a GCF could you please help me with this problem? Thanks Click here to see answer by checkley71(8403)

 Question 95618: Science and medicine. Fungicides account for of the pesticides used in the United States. Insecticides account for of all the pesticides used in the United States. The ratio of fungicides to insecticides used in the United States can be written / Not really sure how to solve this problem could someone please help me? Click here to see answer by checkley71(8403)

 Question 95721: Determine the solutions for the following polynomial equation. Use decimal approximations accurate to two decimal places if necessary. 3x^2 - 19x - 7 = 0 Click here to see answer by checkley71(8403)

 Question 95720: Determine the solutions for the following polynomial. 32x^6 - 32x^5 = 0 Click here to see answer by checkley71(8403)