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

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 Question 87294: I need help with this question please: Choose three integers a, b, and c.(Negative numbers are welcome). Now use a, b and c to create a trinomial ax^2+bx+c. Can you factor this trinomial? How would you create a trinomial that will factor? Thank you!!!! Click here to see answer by tutorcecilia(2152)

 Question 87337: A painting canvas has a length 9 inches longer than its width. If the area is 90in to the second power, what are the lengths of the legs of the field? Click here to see answer by tutorcecilia(2152)

 Question 87335: A farmer has a pasture in the shape of a right triangle. The measure os the longer leg of the pasture is twelve yards longer than three times the measure of the shorter leg. If the hypotenuse of the pasture measures 100 yards, what are the lengths of the legs of the field? Click here to see answer by checkley75(3666)

 Question 87359: I am supposed to Evaluate if possible the following: sqrt of 36, I get sqrt of 36...then there is the sqrt of 9/16, and I get sqrt of 9/16, and I have not been able to figure out how to evaluate ^3sqrt1/64...Can someone PLEASE HELP ;0/ Thanks Click here to see answer by jim_thompson5910(29613)

 Question 87357: Find the distance between (-3, -2) and (1, 4)...Am I doing this right, to keep it short my answer is 2 sqrt of 5 am I right? Click here to see answer by jim_thompson5910(29613)

 Question 87354: Find the distance between (-4, 0) and (-5,-3)...My solution is sqrt of 10 Am I right??Thanks Click here to see answer by jim_thompson5910(29613)

 Question 87356: Can someone please help me out with this: I am supposed to find the length x. Express your answer in simplified radical form. the triangle is 51 ft on one side, 45 ft on the other side, then there is x. Click here to see answer by checkley75(3666)

 Question 87330: I have an algebra word problem and I need help with it. I tried but I couldn't get the right answer. The answer is supposed to be: \$[(n^2+38n-80)/n]. The question is: "Ted bought "n" rolls of film for a total of \$40. He then sold all but 2 of them for \$1 more per roll than he paid. How much did he receive for he rolls of film that he sold?" The lesson involves mixed expressions and you have to rewrite fractions using the LCD. Thanks. Click here to see answer by josmiceli(10616)

 Question 87355: Hi, my teacher has asked us to determine whether the sqrt of - is rational or irrational. How are we supposed to determine that:? Thanks for your help. Click here to see answer by rossiv53(27)

 Question 87307: 1. Factor completely. 64x^3-48x^2-4x+3 I have came up with 8x^2(8x-6)-4x+3 I don't know what to do with the 4x+3. 2. Factor completely. 49x^3y-112x^2y^2+64xy^3 On this question i have tried using -2,-32; -4,-16; -8,8 to factor but they aren't working. Click here to see answer by rossiv53(27)

 Question 87409: rewrite3 the middle term as the sum of two terms and then factor completely: 9x^2-9x-10 Click here to see answer by stanbon(60774)

 Question 87515: What values for x must be excluded in the following fraction? x+2/x^2-9x+14 Click here to see answer by rapaljer(4670)

 Question 87551: Hello im having problems soving these 2 problems its asking me to solve. let h(x)=4x-x^2. Find such that h(a)= -32 the other problem im having trouble with it f(x)= 2x/5x^2-20 thanks for your help Click here to see answer by stanbon(60774)

 Question 87554: He there im stuck on a problem I cant figure out. Simplify by removing a factor equal to 1 8y^5 z^3 / 4y^9 z^4 Click here to see answer by Earlsdon(6294)

 Question 87557: Hello there! Im having problems with this equation. 5t^3/4t-8 * 6t-12/10t thanks for your help Click here to see answer by rapaljer(4670)

 Question 87621: I have tried this question for the past hour and I am so lost now that nothing is working. It states: find all zeros of the function X^3+3x^2-x+12 Click here to see answer by stanbon(60774)

 Question 87646: This is from a worksheet. I cannot figure this one out at all. y^3+5y^2-9y-45 The instructions are to factor completely. Click here to see answer by longjonsilver(2297)

 Question 87645: This is from a worksheet. 6y^2+5y-4 I have to factor. I believe that the two integers I need are 8 and -3, but I don't know how to finish working out this problem. Click here to see answer by longjonsilver(2297)
 Question 87645: This is from a worksheet. 6y^2+5y-4 I have to factor. I believe that the two integers I need are 8 and -3, but I don't know how to finish working out this problem. Click here to see answer by stanbon(60774)

 Question 87620: I would appreciate any help walking me through this homework question that I have. Find all real zeros of the functions listed below. * f(x)=-7x^4+343x^2 * f(x)=x^4-16x^2+15 Click here to see answer by longjonsilver(2297)

 Question 87716: Hello. My question is based on common monomial factors. The directions state: "Find the greatest common factor and factor it out of the expression." The question is: 15x^5-10x^4+5x^2 Thanks. Click here to see answer by stanbon(60774)
 Question 87716: Hello. My question is based on common monomial factors. The directions state: "Find the greatest common factor and factor it out of the expression." The question is: 15x^5-10x^4+5x^2 Thanks. Click here to see answer by rapaljer(4670)

 Question 87717: Hi! My question is on the topic of common monomial factors. The direction says to get the greatest common factor and factor the whole expression. My question is: 3x^5y^2-21x^2y^7 I tried my very best to complete the question. Here is some of my work: 3x^5y^2-21x^2y^7 -> 3x^2y^2(x^3-7y^5) I would appreciate all of your help. Thanks. Click here to see answer by stanbon(60774)

 Question 87758: Please help me sole this problem. "Perform the indicated operations and simplify:" x^2+12x+32 divided by x^2+8x im not sure if i wrote the power correct it is x to the second power. Thankyou so much Click here to see answer by mylw03(1)