# Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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 Question 132894: COuld someone show me how to use the intercepts to graph this equation? Click here to see answer by jim_thompson5910(29613)

 Question 132921: 2/ 3/ f + t= n Solve for n not sure how to type 2 over f and 3 over n. Can you please help me solve this. Thanks a million Click here to see answer by edjones(7794)

 Question 132898: Can someone show me hoe to sovle foe C? Click here to see answer by checkley71(8403)

 Question 133007: Factor out the greatest common factor. 5x^7 - 25x^6 + 40x^5 Click here to see answer by jim_thompson5910(29613)

 Question 133006: Factor the trinomial. v^3 - 4v^2 - 21v Click here to see answer by jim_thompson5910(29613)
 Question 133006: Factor the trinomial. v^3 - 4v^2 - 21v Click here to see answer by solver91311(18785)

 Question 133008: Solve. (x + 17)(x - 8)(x + 8) > 0 Click here to see answer by stanbon(60778)

 Question 132841: Television sets: What does it mean to refer to a 20 in. TV set or a 25 in. TV set? A 15 in. TV set also has a width of 12 inches. What is it's height? The height is ______ inches. Click here to see answer by checkley71(8403)

 Question 132994: Simplify by removing factors of 1. m^2-4 / (m+2)^2 This should look like a fraction. Click here to see answer by stanbon(60778)

 Question 133044: How do i find the domain of a function? Click here to see answer by stanbon(60778)

 Question 133043: HOw do I translate this into an algebraic equation? The product of 43% and some number? Click here to see answer by stanbon(60778)

 Question 133041: Could someone show me how to solve this equation using the subsitution method? Click here to see answer by stanbon(60778)

 Question 133072: can you help me factor and find the value of x -16^2+40x-24=0 Click here to see answer by homeworkanytimehelp(1)

 Question 133078: Suppose a population of intial size 100 grows at the rate of 8% per year forever. What is the size of the population at the end of year n (for any integer n)? What algebraic equation would you need to solve to find the number of years x that it would take for our population to reach 200? Click here to see answer by vleith(2825)

 Question 133109: Multiply. (r + p)(r^2 - rp + p^2) Click here to see answer by jim_thompson5910(29613)

 Question 133110: Express using a positive exponent. r^-2 Would it just be r^2? That would seem to be too simple. Click here to see answer by jim_thompson5910(29613)

 Question 133108: Factor completely. 252r^2 + 588rf + 343f^2 Thank you for any help you can give me in figuring this problem out. Click here to see answer by jim_thompson5910(29613)

 Question 133112: Find the following. Assume that variables can represent any real numbers. sqrt ( a+4 )^2 The a+4 should be in parenthesis with an exponent of 2 in a radical sign. I hope I explained that correctly. Click here to see answer by nycsharkman(136)
 Question 133112: Find the following. Assume that variables can represent any real numbers. sqrt ( a+4 )^2 The a+4 should be in parenthesis with an exponent of 2 in a radical sign. I hope I explained that correctly. Click here to see answer by jim_thompson5910(29613)

 Question 133106: Multiply. (-4x)^2 (2x^3)^3 I'm getting confused with what looks to me to be extra exponents. How would I solve this? Click here to see answer by xUser(1)

 Question 133139: Find a third degree polynomial f(x), which has roots 2, 1-2i and which has y-intercept 2 (ie, f(0) =2). Click here to see answer by vleith(2825)

 Question 133160: ___12 4 + 2x - 3 ____________________ 5 + 15 ______ 2x - 3 Click here to see answer by nycsharkman(136)

 Question 133103: Perform the indicated operations and simplify. x-4/x-8 - x+1/x+8 + x-72/x^2 -64 These should look like 3 fractions. Click here to see answer by vleith(2825)

 Question 133168: How do you factor the following problems step by step? 1. 9-x^2 2. 4x^2+81-36x 3. 4y^2+16y+16 4. x^-25/x+5 Click here to see answer by jim_thompson5910(29613)

 Question 133185: Evaluate the polynomial for x = -2. 3x^2 - 4x + 1 I need to get this correct and I come up with 45. Did I do this correctly? Click here to see answer by vleith(2825)