# 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 29533: Science and medicine. Fungicides account for 1/10 of the pesticides used in the United States. Insecticides account for 1/4 of all the pesticides used in the United States. The ratio of fungicides to insecticides used in the United States can be written 1/10 divided by 1/4. Write this ratio in simplest form. Please help. Thank you. Click here to see answer by josmiceli(9686)

 Question 29700: please explain this to me x to the 2nd power + 16y to the 8th power what if the power is negative what if there are parenthesis involved in the problem Click here to see answer by elima(1433)

 Question 30006: How do u factor polynomials such as; (6m cubed multiplied by n cubed)+(3m cubed multiplied by n squared)+(m squared multiplied by n squared) Click here to see answer by Cintchr(481)

 Question 30020: Someone please help me solve these problems. Thanks! 1. Geometry. The area of a rectangle of length x is given by 3x^2+5x. Find the width of the rectangle. Find all positive values for k for which each of the following can be factored. 2. x^2+x-5 Determine whether the following trinomials is a perfect square. If it is, factor the trinomial. 3. x^2-24x+48 Rewrite the middle term as the sum of two terms and then factor completely. 4. 12w^2+19w+4 Click here to see answer by sdmmadam@yahoo.com(530)

 Question 30072: Please assist me in solving this problem. I think I am suppose to group like terms, but I am really confused. (5x^6 - 6x^5 - 9x^4 - 2) - (7x^6 + 4x^5 - 3x^4 - 3) since the second term is preceeded by a negative, change all the signs in the second quantity and drop the parenthesis combine x^6 combine x^5 combine x^4 combine constants since there is no = , this is a simpliflying problem Click here to see answer by josmiceli(9686)
 Question 30072: Please assist me in solving this problem. I think I am suppose to group like terms, but I am really confused. (5x^6 - 6x^5 - 9x^4 - 2) - (7x^6 + 4x^5 - 3x^4 - 3) since the second term is preceeded by a negative, change all the signs in the second quantity and drop the parenthesis combine x^6 combine x^5 combine x^4 combine constants since there is no = , this is a simpliflying problem Click here to see answer by Cintchr(481)
 Question 30072: Please assist me in solving this problem. I think I am suppose to group like terms, but I am really confused. (5x^6 - 6x^5 - 9x^4 - 2) - (7x^6 + 4x^5 - 3x^4 - 3) since the second term is preceeded by a negative, change all the signs in the second quantity and drop the parenthesis combine x^6 combine x^5 combine x^4 combine constants since there is no = , this is a simpliflying problem Click here to see answer by jacobskayla_lee_633(5)

 Question 30185: i would like some help with this promblem cause i keep getting lost in it i need to simplify 13x^5/ 6x^2 _____________ 12x^3/ 4x^6 Click here to see answer by ikdeep(226)

 Question 30217: Explain why x to the 4th+2xsquared+4 has no real root while every polynomial function of degree 3 has at least 1 real root Click here to see answer by Fermat(127)
 Question 30217: Explain why x to the 4th+2xsquared+4 has no real root while every polynomial function of degree 3 has at least 1 real root Click here to see answer by venugopalramana(3286)

 Question 30299: i need help solving this polynomial 12-27n2=0 (the 2 after n means its squared) Click here to see answer by checkley71(8403)

 Question 30311: I am asked to simplify: when I did the problem I am not coming out with the answer in the text: (3a^-5 b^2)0 ---------- (12a^3 b^-4) 3a to the negative 5th power b to the 2nd power DIVIDED by 12a to the 3rd power and b to the 4th power . The entire problem is in parent.raised to the 0 power. Thank you Click here to see answer by sdmmadam@yahoo.com(530)

 Question 30317: 32x(to the second power)y(to the 2 power)+16x(to the second power)y+8x(to the second power)y(to the second power) / 8xy Click here to see answer by Earlsdon(6287)

 Question 30315: I am asked to simplify: 25a^13 b^4 ------------- -5a^2 b^3 25a raised to the 13th power/ b raised to the 4th power DIVIDED by negative 5a raised to the 2 power /b raised to the 3rd power Thank you Click here to see answer by Cintchr(481)

 Question 30341: Which of the following is a factor of the polynomial x^2 - x - 20? A) x-5 B) x-4 C) x+2 D) x+5 E) x+10 Click here to see answer by sdmmadam@yahoo.com(530)
 Question 30341: Which of the following is a factor of the polynomial x^2 - x - 20? A) x-5 B) x-4 C) x+2 D) x+5 E) x+10 Click here to see answer by venugopalramana(3286)

 Question 30345: hi can anybody plzzzzzzz help me ..it really urgent 9y^8+2xw(8x-5y)=3y^2(9w+3y^6)+xyw thanks Click here to see answer by Cintchr(481)

 Question 30346: x+3/5= x+1/x-3 This ia a rational fraction and i cant seem to find the right answer is there anyway you could help me.! Please and thank you Click here to see answer by Fermat(127)

 Question 30429: This is the closest section from what I saw to what we are learning. We are factoring trinomials of the type ax^2 + bx + c . This is the problem: 108g^2h - 162gh + 54h Thank you in advance!!! Click here to see answer by checkley71(8403)

 Question 30435: Please explain how to factor the following problem by grouping to solve the equation. x^3+3x^2-4x-12=0 Click here to see answer by venugopalramana(3286)

 Question 30347: 2= 3/x-1/x^2 I cant find the restrictions in this problem or the least common faction if you could get that for me then i caould do the rest. Click here to see answer by sdmmadam@yahoo.com(530)

 Question 30387: I have simplified the problem from (x^3+3x^2-7x)-(-4x^2+5x-8) to x^3+(3x^2+4x^2)+(-7x-5x)+8 .(sorry, I don't know how to type exponents) is this correct so far? and also, what would I do with the x cubed? can I combine it with the 3x squared and the 4x squared to make 7x to the 5th power? PLEASE help! thanks, Bethany M. Click here to see answer by longjonsilver(2297)