# 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 420222: Okay I have a few questions here. I am stuck on these. 1. 6m+18 ____________ 7m+21 2. 2t + 6 __________ t^2 - 9 3. 8x^2-10x-3 _______________ 8x2-6x-9 Click here to see answer by mananth(12270)

 Question 420323: what 2 numbers multiply to give me 15 but add to give me -8 Click here to see answer by algebrahouse.com(1079)

 Question 420355: Asia invested \$15,000 and she earned an annul interest of \$1350. She put some of the money in the bank at 6% interest per year and invested the rest at 11% interest per year. How much did she invest at each rate? Click here to see answer by stanbon(57984)

 Question 420362: Ivan has some twenty-dollar bills and some fifty-dollar bills. If he has a total of 70 bills and their value is \$3200, how many of each bill does he have? Click here to see answer by stanbon(57984)

 Question 420439: Factor each polynomial x^2 + 12x + 11 Click here to see answer by Gogonati(817)

 Question 420435: Polymonials Find the difference (-5x^2 + 9x - 7) - (5x^2 + 8x + 2) Click here to see answer by sudhanshu_kmr(1152)

 Question 420469: I just barely passed an algerba test on anding and subtracting like and unlike polynomial fractions and lately I haven't been doing so well on any of my tests. Do you have any tips to help with test taking??? Click here to see answer by sudhanshu_kmr(1152)

 Question 420461: Factor out the greatest common factor from the terms of the trinomial. then factor the remaining trinomial 2x^2 + 30x + 52 Click here to see answer by MathLover1(6815)

 Question 420452: If 6x -1 = 29, what is the value of x² + x? Click here to see answer by richard1234(5390)

 Question 420695: How are can this problme be done? X^2+4x+8 Click here to see answer by richard1234(5390)

 Question 420805: you are making a scrapbook out of pictures that are 7 inches long and 5 inches wide,you want to place a border of equal width on each edge a)wrie a polynomial that represents the total area of the picture wtih the border b)find the total area of the picture with border when the wodth of the border is 2 inches Click here to see answer by jsmallt9(3296)

 Question 420691: m to the 2nd power, -12m+5 can you help me solve and show me how. Thank you Click here to see answer by jsmallt9(3296)

 Question 420856: How do I multiply this expression? t(64-5/2t) this represents a rocket flown on the moon with its height h in feet after t seconds. Then I need to evaluate the expression and the expression for t=2. I am so confused! Please help me!!! :-{ Click here to see answer by Gogonati(817)

 Question 420757: perform the indicated operations involving rational expressions. Express the final answer in simplest form. (6xy^2/14)(21x^3y/10y) / (10y/21x^3) Click here to see answer by jsmallt9(3296)

 Question 420910: what type of equation is 9x^2 +5x = 0 Click here to see answer by solver91311(17077)

 Question 420957: Please help me with the following questions. 5 over (x-8) + 1 over (x+2) (x+4) Can you please tell me guide me through it. Also, 8 over (x-10)(x-6) minus 60ver (x-8)(x-10) If you can make suggestions of what I should concentrate on first please let me know. I feel that I go to a few websites to see the steps of how to do it but somehow I am spending a lot of time all over the place. I hope that now I can learn from this site and just stay with it, and not jump all over. Thank you for your help and enjoy you weekend. YB Click here to see answer by Gogonati(817)
 Question 420957: Please help me with the following questions. 5 over (x-8) + 1 over (x+2) (x+4) Can you please tell me guide me through it. Also, 8 over (x-10)(x-6) minus 60ver (x-8)(x-10) If you can make suggestions of what I should concentrate on first please let me know. I feel that I go to a few websites to see the steps of how to do it but somehow I am spending a lot of time all over the place. I hope that now I can learn from this site and just stay with it, and not jump all over. Thank you for your help and enjoy you weekend. YB Click here to see answer by josmiceli(9819)

 Question 421080: i need help to solve this polynomal 3x^7+81x^4 Click here to see answer by dnanos(83)

 Question 421097: I need help to solve 12y^2 + 19y + 5=0 Click here to see answer by robertb(4012)