# 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 427313: simplify a. 6^2= b. 6^-2= c. (1/6)^2= d. (1/6)^-2= e. -6^2= f. (-6)^2= Click here to see answer by Alan3354(30993)

 Question 427325: how would you find the greatest common factor of 8ab^3 and 2ab^2? please explain. Click here to see answer by stanbon(57347)
 Question 427325: how would you find the greatest common factor of 8ab^3 and 2ab^2? please explain. Click here to see answer by josmiceli(9678)

 Question 427409: Jocelyn has test scores of 80, 77 and 89 on her first three Algebra tests. What will she need to score on her 4th test so she will have at least an 85 average? Click here to see answer by John10(245)

 Question 427352: I can't figure out how to do this: using long division solve and then check-please show how to check the answer Click here to see answer by ewatrrr(10682)

 Question 427568: if 11 is added to the square of a number, the result is 60. Find the numbers Click here to see answer by algebrahouse.com(1079)

 Question 427659: factor 5d^3-25d^2 I know its 5d^2(d-5) but I don't know how to show my work for it Click here to see answer by stanbon(57347)

 Question 427656: please explain how to do long division (b^3-27)/(b-3)= and then how do I check this Click here to see answer by Edwin McCravy(8909)

 Question 427670: I need help could someone please explain this to me? the equation of the line that is perpendicular to the graph of y=1/3x-4; passing through (0,-1) Click here to see answer by ewatrrr(10682)

 Question 427715: Derection: perform the idicated operation by using the LCD and simply the result. 3y+3 2y+2 ------- + ------- y^2-4y-5 y^2-2y-3 Click here to see answer by ewatrrr(10682)

 Question 427653: need to know how to do long division (x^3+2x^2+3x-6)/(x-1) Please show how to do this Click here to see answer by Edwin McCravy(8909)

 Question 427705: M+B+K do a task in 1h 20min M needs twice as long as B, M needs 2 hrs longer than K Please formula, we try to figure out the solution ourselves, but don't even have a starting formula... Thank you Click here to see answer by jorel1380(2518)
 Question 427705: M+B+K do a task in 1h 20min M needs twice as long as B, M needs 2 hrs longer than K Please formula, we try to figure out the solution ourselves, but don't even have a starting formula... Thank you Click here to see answer by ptaylor(2048)

 Question 427741: need someone to tell me if I'm doing this right? multiply (t+1)(t+4)= would it be t^2+4? Click here to see answer by ewatrrr(10682)

 Question 427754: i need help with this question find either a linear or an exponential function that models the data in the table. x 0 1 2 3 4 y 8 24 72 216 648 Click here to see answer by ewatrrr(10682)

 Question 427788: how do i do (3.8 times 10 to the 5th) divided by (1.9 times 10 to the -6th) Click here to see answer by rfer(12657)

 Question 427846: Hi - I am having some trouble understanding "higher degree polynomial equations" Can you please help me solve this, and show me how: 4x^4 - 2x^2 - 4 = 2 Thank you!!! Click here to see answer by richard1234(5390)

 Question 427819: I need help factoring polynomials.. Like squares and such. So, I guess here's #1: Find the product by using the difference of two squares- 45*55 Please help! Thank you! Click here to see answer by sudhanshu_kmr(1152)

 Question 427759: perform the idicated operation by using the LCD and simplify the result. 5x 3x ____ _ ______ x-7 7-x Click here to see answer by ankor@dixie-net.com(15652)

 Question 427739: please help, I have been trying to figure this out need to simplify and rewrite without negative or zero exponents e^-2/(m^2)^2c^-3 its writen with e^-2 on top then a line and then the others on bottom. I'm thinking its division? Click here to see answer by ankor@dixie-net.com(15652)

 Question 428065: please help factor and show how you checked it x^2+1=2x I think the answer is (x+1)^2 but I don't know how to show my work and also don't know how to show Check process. Click here to see answer by mananth(12270)