# 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 585631: Olinda is placing a wide matting x inches wide around a photo that is 5 inches long and 3 inches wide. write an expression in factored form for the area of the matting. Click here to see answer by mananth(12270)

 Question 585770: list the coefficients of the given polynomial x^3+8x^2-5x+4 Click here to see answer by mananth(12270)

 Question 585716: two numbers product of 72 sum of 18 ratio of 2:3 Click here to see answer by scott8148(6628)

 Question 585838: show all work: Suzie's flower shop estimates that supplies costs for one month will be given by the polynomial 5x^2-3x+1. She estimates that utilities costs for one month is given by 5x-9. Find and simplify an expression that would estimate Suzie's total costs for one month. Click here to see answer by richwmiller(9135)

 Question 585835: How do you solve this problem x+1 divide x+1 _____________ 6 3 it is 6 under neath th x+1 and the 3 is under x+1 rational expression is simplified Click here to see answer by Schaman_Dempster(26)

 Question 585909: Essay: Show all work. Find the following product: (x^2+8)(x^3+7x-3) Click here to see answer by jim_thompson5910(28476)

 Question 585833: I need help on how do I work this problem out m^2-10m+25 a line underneath the problem and underneath the line m^2-25 Click here to see answer by ankor@dixie-net.com(15622)

 Question 585991: i need help breaking this problem down and solving it 4x to the 3rd power +12x-28 Click here to see answer by Alan3354(30939)

 Question 586052: i need to find the vertex of y=x^2+12x+19 Click here to see answer by jim_thompson5910(28476)

 Question 586055: factoring trinomials m^2-mv-65v^2 can you give me more details Click here to see answer by jim_thompson5910(28476)

 Question 586082: Hi! please help me factor this polynomial completely : i know how to solve it up to the part but i do not know how to factor it completely Thanks! Click here to see answer by jim_thompson5910(28476)

 Question 586111: How to check whether (x-1) is a factor of the polynomial of x^4 +x^3 +x^2 -5x +2 Click here to see answer by stanbon(57214)

 Question 586320: chapters title: polynomials and factoring Find the difference: (3x^2 + 5x + 4) - (x^2 + 2x + 1) Click here to see answer by Tatiana_Stebko(1326)

 Question 586340: f(x)= x^3+9x^2-4x-36 this problem is to find all the real zeros of the function, but the function doesn't equal 0 when i use synthetic division. How do i go further with this problem? Click here to see answer by Alan3354(30939)

 Question 586390: chapter title: Polynomials and Factoring Find the product: (2x + 1)(x + 3) and Find the product: (x + 1)(x^2 + x + 1) Click here to see answer by solver91311(16868)

 Question 586412: I am doing a rational expression application work problm for my class and I want to make sure that I do the problem correctly. My Work problm is: It takes 7 hours for will to paint a house. Judy can paint the same house in 3 hours. How long will it take them to paint the house if they work together? Would I start my rational expression as 1/7x + 1/3x? thank you, mm Click here to see answer by scott8148(6628)
 Question 586412: I am doing a rational expression application work problm for my class and I want to make sure that I do the problem correctly. My Work problm is: It takes 7 hours for will to paint a house. Judy can paint the same house in 3 hours. How long will it take them to paint the house if they work together? Would I start my rational expression as 1/7x + 1/3x? thank you, mm Click here to see answer by Earlsdon(6287)

 Question 586622: Explain why 5, -1, and 7 are not allowable replacements in the division Click here to see answer by solver91311(16868)

 Question 586830: If the area of a rectangle is 121k^2 - 44kp + 4p^2 square feet, what are the possible expressions for length and width? I am an older student who went back to school and am completely desperate, need to pass this class or I'm out, please help me, I will be adding more problems. Click here to see answer by scott8148(6628)

 Question 586834: In the area of a rectangular athletic field, it is represented by the expression, 16y^3(y^4+2y^2+5)square meters. Write an algebraic expression to represent one possible set of dimensions (l*w), of the athletic field. Include correct units and NEED TO SEE ALL WORK. Please help an older student, second question I need help on to pass my class. Click here to see answer by scott8148(6628)

 Question 586853: The problem is 5w2-5w=0. I know w MUST equal zero (like x-4 x=4 because 4-4=0) So i did the GCF, and i got 1. When i tried to plug it back in i got: 5w2-5w=0 1w(5w-5)=0 But i dont think that's right. Click here to see answer by scott8148(6628)

 Question 586967: Factoring Trinomails: b squared minus 7b plus 12 = 0 Click here to see answer by stanbon(57214)

 Question 586995: 27y squared - 48y to the fourth power Click here to see answer by Alan3354(30939)

 Question 587153: Please help me solve this problem: If the area of a rectangle is given by 81g^2 - 180gw + 100w^2 square feet, what are possible expressions for the length and width? Click here to see answer by ankor@dixie-net.com(15622)

 Question 587256: (w3 + 64) ÷ (4 + w) a. w² - 4w - 16 b. w² + 4w - 16 c. w² - 4w + 16 Click here to see answer by Alan3354(30939)

 Question 587716: Perform the indicated operations and simplify. ```y-6 y+1 y-63 ----- - ----- + ----- y-9 y+9 y^2-81 ``` I have gotten this far, but don't think it is right. The LCD is (y-9)(y+9) Long story short, after all of the "factoring" I did, the end result came out to be 25y+63 ------ (y-9)(y+9) My only question now is what do I do with the third part of the equation? y-63 ----- y^2-81 Click here to see answer by stanbon(57214)
 Question 587716: Perform the indicated operations and simplify. ```y-6 y+1 y-63 ----- - ----- + ----- y-9 y+9 y^2-81 ``` I have gotten this far, but don't think it is right. The LCD is (y-9)(y+9) Long story short, after all of the "factoring" I did, the end result came out to be 25y+63 ------ (y-9)(y+9) My only question now is what do I do with the third part of the equation? y-63 ----- y^2-81 Click here to see answer by Theo(3458)