# 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 533396: how do you factor 9x2y - 18xy - 27y Click here to see answer by Alan3354(30993)

 Question 533626: How do you factor x squared plus 13x plus 40 ? Click here to see answer by rfer(12657)

 Question 534063: Factor completely. If a polynomial is prime, state this. -9 + 18x^2 +21 Click here to see answer by stanbon(57290)

 Question 534072: Factor completely. Remember to look first for a common factor and to check by multiplying. If a polynomial is prime, state this. -36a^2 -96ab - 64b^2 Click here to see answer by ankor@dixie-net.com(15647)

 Question 534142: #16 LISA CAN SHOVEL SNOW FROM HER DRIVEWAY IN 65 MINUTES. bILL CAN DO THE DRIVEWAY IN 45 MINUTES. hOW LONG WOULD IT TAKE LISA AND BILL TO SHOVEL THE DRIVEWAY TOGETHER? Click here to see answer by oberobic(2304)

 Question 534139: # 21 simplify by removing factors of 1 and put in simplified form __________ 5p^2+5p____________ divided by 10p^2+25p Click here to see answer by KMST(1868)

 Question 534140: #5)WORD PROBLEM To determine the number of deer in a game preserve, a conservationist catches 856 deer, tags them and lets them go. Later 486 deer are caught, 162 of them are tagged. How many deer are in the preserve? Click here to see answer by stanbon(57290)

 Question 534223: 6. Simplify: -2b(3a – 2b) + 4(3ab – 2b2) Click here to see answer by Maths68(1474)

 Question 534216: 6. Simplify: -2b(3a – 2b) + 4(3ab – 2b^2) Click here to see answer by Maths68(1474)
 Question 534216: 6. Simplify: -2b(3a – 2b) + 4(3ab – 2b^2) Click here to see answer by aubrey114(1)

 Question 534249: a partial solution set is given for each equation. Find complete solution set: x^3 + 3x^2 - 13x -15 =0 {-1} i keep getting 1 -2 -13 and -4 as the ansers for each when i subract. What am i doing wrong?? the answer is {-1,-5,3} and im not even close Click here to see answer by oberobic(2304)

 Question 534316: a partial solution set is given for each equation. Find complete solution set: x^3 + 3x^2 - 13x -15 =0 {-1} i keep getting 1 -2 -13 and -4 as the ansers for each when i subract. What am i doing wrong?? the answer is {-1,-5,3} and im not even close HOw do i show my work with out graphing. the teacher doesnt want us to graph it. Click here to see answer by scott8148(6628)

 Question 534405: (6/x-3)-(2x/x-3) I want to know how you solve this problem step by step please Click here to see answer by solver91311(16877)

 Question 534404: How many positive real zeros does the function f(x) = x4 + x3 – 7x – 1 have? a) 3 or 1 B) 1 c) 2 or 0 d) 0 Click here to see answer by fcabanski(874)

 Question 534418: How do i perform this function and end up with the right answer? ‎(-6m x 2+9n x 2-8n)- (9m x 2-8m+7n)+(-9m x 2)+4n x 2 Click here to see answer by KMST(1868)

 Question 534531: how do you solve this equation: (3 1/4)p=2 1/2 Click here to see answer by Maths68(1474)
 Question 534531: how do you solve this equation: (3 1/4)p=2 1/2 Click here to see answer by MathTherapy(1422)

 Question 534771: Reduce the given expression to lowest terms. (64u^3)/(112u^7) Click here to see answer by stanbon(57290)

 Question 534856: Can someone please help me solve this problem?: The polynomial 0.041h-0.018a-2.69 can be used to estimate the lung capacity, in liters, of a female with height h, in centimeters, and age a, in years. Find the lung capacity of a 50 year old woman who is 160 centimeters tall. Click here to see answer by fcabanski(874)
 Question 534856: Can someone please help me solve this problem?: The polynomial 0.041h-0.018a-2.69 can be used to estimate the lung capacity, in liters, of a female with height h, in centimeters, and age a, in years. Find the lung capacity of a 50 year old woman who is 160 centimeters tall. Click here to see answer by KMST(1868)

 Question 534857: b. You will use 25% of your budget to rent business space and pay for utilities. Write an algebraic expression that indicates how much money will be spent on business space and utilities. Do not solve. The budget is \$118,250. Click here to see answer by fcabanski(874)

 Question 534928: please help! i am trying to factor 125x^(6) + 1. i have tried (5x^3)^3 + 1 but cannot get any further. thank you so much Click here to see answer by fcabanski(874)

 Question 534950: At what value(s) of x on the curve y=−9+250x 3 −3x 5 does the tangent line have the largest slope? Click here to see answer by KMST(1868)

 Question 535336: How do I solve 125x^3 + 343 = 0? Click here to see answer by stanbon(57290)

 Question 535715: name and describe two types of Special Products that you may be able quickly recognize and factor if found embedded within a rational expression? Click here to see answer by KMST(1868)