# 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 254459: How do i solve x in this problem A=3m+kx Click here to see answer by richwmiller(9135)

 Question 254665: x to the 3rd - 2x to the second -15x = 0 forgot how to do it Click here to see answer by stanbon(57290)
 Question 254665: x to the 3rd - 2x to the second -15x = 0 forgot how to do it Click here to see answer by drk(1908)
 Question 254665: x to the 3rd - 2x to the second -15x = 0 forgot how to do it Click here to see answer by palanisamy(496)

 Question 254734: i need help with an (intermediate algerbra: Rational expressions) im not to sure how to solve it i dont what exactlt im being asked for all r is not equal to (+ or - 2. r^2 - 5r+6 ______________=? r^2-4 a. r-3 r+2 b. r-2 r+2 c. r-2 r+3 d. r+3 r-2 e. r+3 r+2 i need to know how to do it to get the correct answer i have a test at ecpi on saturday i can figure out how to work it out to get the answer they want please and thank you Click here to see answer by jim_thompson5910(28536)

 Question 254750: a rectangular painting with a width of x centimeters has an area of x^2+50x square centimeters. Find a binomial that represents the lenght. Click here to see answer by edjones(7569)

 Question 254849: Determine the value of m so that (x-3) is a factor of 4x^2 – 6x + m. Click here to see answer by vksarvepalli(154)

 Question 254939: Name the type polynomial and give its degree. 7x^3 + 6x^2 -2 Click here to see answer by drk(1908)

 Question 254954: divide. (18x^2 - 63x + 81) / 9 Click here to see answer by PRMath(123)

 Question 254955: I would greatly appreciate some help on this problem. It is solving polynomial equations by factoring. What is the sum of the solutions of the equation 3x^2 plus 11x = 4 Click here to see answer by CharlesG2(828)

 Question 254964: Factor out the greatest common factor. 16y^5 - 24y^4 - 40y^3 Click here to see answer by richwmiller(9135)
 Question 254964: Factor out the greatest common factor. 16y^5 - 24y^4 - 40y^3 Click here to see answer by CharlesG2(828)

 Question 254950: For the polynomial function h(x) = 2x^4 - x^3 + 2x^2 - 4x - 3, evaluate the following: h(3) Click here to see answer by drk(1908)

 Question 254945: Please help me solve this problem. Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x Click here to see answer by drk(1908)

 Question 254962: Can someone please help me divide the following. (6x^2 - 31x + 5) / (x - 5) and (x^3 + 2x^2 - 3x + 2) / (x +1) Click here to see answer by drk(1908)
 Question 254962: Can someone please help me divide the following. (6x^2 - 31x + 5) / (x - 5) and (x^3 + 2x^2 - 3x + 2) / (x +1) Click here to see answer by palanisamy(496)

 Question 255000: The amount of an investment of P dollars for f years at a simple interest rate r is given by A=P+Prt a) Rewrite this formula by factoring out the greatest common factor on the right hand side. b) Find A if \$8,300 is invested for 3 years at a simple interest rate of 15% Click here to see answer by richwmiller(9135)

 Question 255013: Use the perfect square trinomial formulas to factor. Be sure to factor out any common factors. 16y^2 - 8y + 1 Click here to see answer by checkley77(12569)

 Question 255020: Can you help me find all the roots and how to check the answers. x^2 + 5x - 14 = 0, 49^2 - 25 = 0, 4x^2 - 13x + 3 = 0 Click here to see answer by palanisamy(496)

 Question 255006: Use the difference of two squares formula to factor. Be sure to factor out any common factors. y^2 - 49, 4x^2 - 25 and 81x^2 - 1 Click here to see answer by palanisamy(496)

 Question 255055: The volume of a rectangle prism is represented by the expression 6x^3-7x^2-x-2 . the length is 2x-1 find expressions to represent the width and height of the prism a) x and 3x-2 b) 3x-2 and x-1 c) x and 3x+2 d) 3x+2 and x+1 Click here to see answer by CharlesG2(828)

 Question 255005: Look at the expression 4x-12/x^2-16. If x was replaced with 3, would the expression be considered defined? Why or why not? If x was replaced with 4, would the expression be considered defined? Why or why not? Is there another value for x that would make this expression undefined? Click here to see answer by richwmiller(9135)

 Question 254944: Add or subtract the polynominals as indicated. (5.9x^3 + 3.4x^2 - 7) - (2.9x^3 - 9.6x^2 + 3) Click here to see answer by richwmiller(9135)

 Question 255250: One number is 38 less than another. Their sum is 142. Can you find the numbers? Click here to see answer by checkley77(12569)

 Question 255307: ((C+5)/7)+((C-30)/4)=5/14 I KEEP COMING UP WITH BIG NUMBERS EVEN THOUGHT THE SOLUTION IS SUPPOSED TO BE "1" Click here to see answer by Alan3354(30993)
 Question 255307: ((C+5)/7)+((C-30)/4)=5/14 I KEEP COMING UP WITH BIG NUMBERS EVEN THOUGHT THE SOLUTION IS SUPPOSED TO BE "1" Click here to see answer by drk(1908)

 Question 255499: how on earth do I divide this following problems? I never even saw it in any of our chapters and even went back to try and find an example. UGH! 14x^7-35x^3+35x over 7x Click here to see answer by palanisamy(496)
 Question 255499: how on earth do I divide this following problems? I never even saw it in any of our chapters and even went back to try and find an example. UGH! 14x^7-35x^3+35x over 7x Click here to see answer by richwmiller(9135)

 Question 255558: 12m-18 over 18n times 9n squared over 8m-12 Click here to see answer by richwmiller(9135)

 Question 255539: Can you please simplify the squareroot of 3x^5 times squareroot of 21x? can you please show me the process? and also how would i factor x^2-13x+36? thank-you very much Click here to see answer by edjones(7569)

 Question 255537: I just need a step by step example on how to solve a rational expression Click here to see answer by PRMath(123)

 Question 255513: what is the simplified polynomial in descending order of 2m8-7m6+8m9-6m7? Click here to see answer by Edwin McCravy(8896)