# 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 21079: How would you facor this by grouping? xy+11x-2y-22 Click here to see answer by algebrapro18(206)

 Question 21084: Im not to sure about factoring, so could you help me out with these 2 problems? FACTOR THE POLYNOMIAL COMPLETELY. IF THE POLONOMIAL CANNOT BE FACTORED, WRITE PRIME x^2+2x-24 2x^2-6xy-8y2 Thanks! Click here to see answer by Earlsdon(6287)

 Question 21195: how many quarts of a 20% saline solution must be added to 8 quarts of a 15% solution to create a solution that is 17% saline Click here to see answer by Paul(988)

 Question 21155: The expression 5a+3b=46 for what values of a and b Click here to see answer by lola_fish99(13)

 Question 21257: How would I simplify this problem? -(3-x)= i keep coming up with different answers that don't reflect what's in the book. thanks Click here to see answer by GuessWho(10)

 Question 21256: How would I simplify this problem? (a-b)(a+b)= i keep coming up with different answers that don't reflect what's in the book. thanks Click here to see answer by GuessWho(10)

 Question 21253: how would i simplify this polynomial x^3 . x^-6= Thanks Click here to see answer by elima(1433)

 Question 21267: if i have this equation: y=18x+0 how do i find y and x? Click here to see answer by elima(1433)

 Question 21385: I forgot to give an e-mail address for the question: How would you factor this: 25^2 - 36 My other question is: how do you solve this equation: (x-7)(x+8)=0 Click here to see answer by Earlsdon(6287)
 Question 21385: I forgot to give an e-mail address for the question: How would you factor this: 25^2 - 36 My other question is: how do you solve this equation: (x-7)(x+8)=0 Click here to see answer by Photonjohn(42)

 Question 21384: I forgot to give an e-mail address for the question: How would you factor this: 25^2 - 36 My other question is: how do you solve this equation: (x-7)(x+8)=0 Click here to see answer by Earlsdon(6287)

 Question 21371: Facotr the polynomail completely. If the polynomail can not be factored write PRIME x^2 + 14xy + 45y^2 Click here to see answer by venugopalramana(3286)
 Question 21371: Facotr the polynomail completely. If the polynomail can not be factored write PRIME x^2 + 14xy + 45y^2 Click here to see answer by Earlsdon(6287)

 Question 21369: the question is: Factor the polynomial completely. If the polynomail cannot be factored, write PRIME. z^2 - 49 Can anyone help? Click here to see answer by venugopalramana(3286)

 Question 21395: Hello, need help I have no idea how to do this. using the FOIL methody simplify x^2 + x - 20 ______________ = x^2 - 9x + 20 i think you divide the bottom into the top and scratch out the similar variables. thanks Click here to see answer by queenofit(120)

 Question 21454: I am working on Factoring Polynomial completely - I think I figured this one out, but would appreciate someone looking over to let me know if I did this correctly. 4m (exponent of 2) - 9m - 9 my solution: 2(2m*(3) 2(2m*(3) Is this correct? Thank you very much for your help. Click here to see answer by Earlsdon(6287)

 Question 21453: I just submitted this and forgot to give my email address: I am working Factoring polynominals completely. I can't figure out a solution for this one. 2x (exponent of 3) -10x (exponent of 2) + 12x Please help - thanks so much!! Click here to see answer by Earlsdon(6287)

 Question 21452: I am working on Factor polynominals completely. I need help with this one. I could not come up with any factors. 2x (exponent of 3) - 10x (exponent of 2) + 12x Could someone please help Thanks so much! Click here to see answer by Earlsdon(6287)

 Question 21659: A sqare has a side of length 1.732x + 1.414 meters. Find a polynomial that represents the area. 1.732x +1.414= I got 3.146 Is this the right way to do this problem? Click here to see answer by longjonsilver(2297)

 Question 21658: It has asked me to Perform the indicated operations. Can someone help me with this? 66. (a – 3)(a + 4)(a – 5) Thank you Click here to see answer by longjonsilver(2297)

 Question 21662: Can you help me with this? It's driving me crazy! Simplify: 21n-6/7n-4 The "-6" and "-4" are negative exponents. Thank you for your help! Click here to see answer by longjonsilver(2297)

 Question 21699: Solve the polynomial equation by factoring and then using the zero product principle. 3x to the 4th power minus 75x to the second power = 0. Click here to see answer by Earlsdon(6287)