# 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 250255: I need help to figure out a math problem: 3x to the 3 power - 9x to the 2 power+12x Click here to see answer by Theo(3504)

 Question 250391: Factor completely. show steps. if polynomial is prime, state this. I tried to do this but i don't understand how its done. My first attempt I thought it was prime but my teacher said it was wrong and it could be factored. Could you please help? Click here to see answer by jim_thompson5910(28715)
 Question 250391: Factor completely. show steps. if polynomial is prime, state this. I tried to do this but i don't understand how its done. My first attempt I thought it was prime but my teacher said it was wrong and it could be factored. Could you please help? Click here to see answer by Alan3354(31518)

 Question 250571: How would you use the distributive property to solve 7-(4+3t) since there is a negative in front of parenthesis? thanks! Click here to see answer by richwmiller(9144)

 Question 250577: 9x^3-3x^2/3x I tried doing this but its hard for me to understand the simplifying. All I got was 3(3x^3-x^2)/3x can u help me? Click here to see answer by richwmiller(9144)

 Question 250473: A rocket is fired upward with an initial speed of 1960 m/s. After how many minutes does it hit the ground? Click here to see answer by manglu(4)

 Question 250592: factoring polynomials completely p^2 - 2p - 63 Click here to see answer by manglu(4)
 Question 250592: factoring polynomials completely p^2 - 2p - 63 Click here to see answer by richwmiller(9144)

 Question 250665: I am having a difficult time answering this question, using the difference of cubes can you help? (x-y)^3-y^3 thanks Click here to see answer by solver91311(17077)

 Question 250793: x cubed -3x squared + x - 3 Click here to see answer by jim_thompson5910(28715)

 Question 250854: While doing my math homework i was having trouble answering this problem - a^3b^2 - 49ac^2 can you help me? thanks Click here to see answer by College Student(505)

 Question 250847: Just a random question: "Originally a rectangle was twice as long as it was wide. When 4 m were added to its length and 3 m subtracted from its width, the resulting rectangle had an area of 600 m (squared). Find the dimensions of the new rectangle." Click here to see answer by scott8148(6628)

 Question 250869: Solve by factoring and using the principle of zero products 2x^2-8x=0 Click here to see answer by tutorcecilia(2152)

 Question 251062: I am having so much trouble with 3 problems. I keep doing them over and over and coming up with different answers each time. I would really love if someone could help me. Divide: (42b^3 + 9b^2 + 42b + 27) / (6b + 3) Multiply: (s + t) * (s^2 - st + t^2) Multiply: 81d^2/4d^2 - 32d + 64 (written as a fraction) * 4d-16/9d (also written as a fraction) Thank you so so much!!! Click here to see answer by richwmiller(9144)

 Question 251085: I really need help with division of polynomials. Thank you so much in advance!!! Divide and Simplify: 11y-77/35 / y-7/77y I really appreciate it!! Click here to see answer by MRperkins(300)

 Question 251132: the first question is x^2+15x=0 use the zero principle the second question is a^2-24ab-25b^2 factor completely the third question is 20y^5+36y^4-8y^3 factor completely the fourth question is y^3+14y^2+49y factor completely Click here to see answer by richwmiller(9144)

 Question 251175: hello i have a big math test tommorrow and i cant solve these equations can you help? 6x^2 - 23xy + 7y^2 Thank you much appreciated! Click here to see answer by stanbon(57967)

 Question 251182: (a+7)/ 3a^2+14a-49 over a^2+8a+7 Divide and, if possible, simplify. Show work. I don't understand how to do this problem. Could you please help show me how it is done? Click here to see answer by stanbon(57967)