# 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 82068: I need help on this problem. You need to purchase a textbook for nursing school that costs \$80.00. The sales tax on the book is 8.25%. You have \$100. How much change will you receive back. I don't understand percentages that well and need help. Can you give for a step by step explanation for the solution? Click here to see answer by stanbon(57361)

 Question 82067: I need help solving the solution for A. The problem is A: 2a/3=8+4a. Can you show me step by step how to get A? Click here to see answer by stanbon(57361)

 Question 82178: I need help with this problem. 3x+4/5 = x-3/2 please send help to anevarez@psinc3.com. Thanks, Al Click here to see answer by renevencer22(21)

 Question 82240: can you assist me with the following: 1. Factor: 4k2+20k+25 2.factor: 16e-4 3.factor: 4x-24x+36 4. 49y2-25 Click here to see answer by jim_thompson5910(28595)

 Question 82235: please assist me with the following: 1.factor: y2-4y-5 2. factor 3a2+9a+6 3.evaluate: x(x+1)(x-1) 4.facctor: 6y2-2yz Click here to see answer by tutorcecilia(2152)

 Question 82272: Solve each equation for y. A: -19 - 6y = -43 B: 7y - 3 = 53 C: 19 + 8y = 47 D: 3y + 42 = 21 Click here to see answer by shrty1351(6)

 Question 82268: QUESTION: The two expressions 18 + (-5) and 18 + -5 mean the same thing. Why might someone want to use one form or the other? Im not really sure why...what do you think? Click here to see answer by shrty1351(6)

 Question 82359: the polynominial X^3+6x^2+11x+6 has the factorization over the integers (x+a)(x+b) (x+c) Click here to see answer by stanbon(57361)

 Question 82375: Identify each staement as an equation or an expression. If it is an equation, solve it. If it is an espression, simplify it. A: 3x - 82 + 53 B: 3x - 82 = 53 C: 12 - 5x = -18 D: 12 - 5x - 18 E: 12 = 5x - 18 F: 6 - (x-2) Click here to see answer by askmemath(368)

 Question 82411: can you assist me with the following problems. simplfy x(4x2+3x-5)-2(4-x2) evaluate: (g-6h)(g+6h) factor: 4k2+20k+25k factor 4g from :8h2j-12g3hj thank you Click here to see answer by stanbon(57361)

 Question 82271: The problem says "Identify each statement as an equation or an expression. If it is an equation, slove it. If it is an expression, simplify it." A: 3x - 82 + 53 B: 3x - 82 = 53 C: 12 - 5x = -18 D: 12 - 5x - 18 E: 12 = 5x - 18 F: 6 - (x-2) Click here to see answer by ankor@dixie-net.com(15656)

 Question 82550: Find the polynomial. 3x ^ 2 + 7x + 2. Click here to see answer by checkley75(3666)

 Question 82546: Factor the polynomial. 3x^2 + 7x + 2 Click here to see answer by jim_thompson5910(28595)

 Question 82586: Add the following rational expressions and make sure you answer is simplified: x^3-x^2-10x/x^2-8x+16 + -3x^2-6x+64/x^2-8x+16 = What I have so far is: x^3-x^2-10x >> x(x^2-x-10) [here is where I got stuck] x^2-8x+16 >> (x-4)(x-4) x^2-8x+16 >> (x-4)(x-4) Click here to see answer by stanbon(57361)
 Question 82586: Add the following rational expressions and make sure you answer is simplified: x^3-x^2-10x/x^2-8x+16 + -3x^2-6x+64/x^2-8x+16 = What I have so far is: x^3-x^2-10x >> x(x^2-x-10) [here is where I got stuck] x^2-8x+16 >> (x-4)(x-4) x^2-8x+16 >> (x-4)(x-4) Click here to see answer by ankor@dixie-net.com(15656)

 Question 82494: The following slab of concrete is twice as long as it is wide. The area in which it is placed includes a 1 ft. wide border of 70 square ft. Find the dimensions of the slab. Click here to see answer by ankor@dixie-net.com(15656)

 Question 82232: can you please assist me with the following: 1.simpilify: ( 5+2a+3a2)-(a2+a-6) 2.simpilify: x(4x2+3x-5)-2(4-x2) 3. find the product:(b+2)(b+6) 4.evaluate: (g-6h)(g+6h) Click here to see answer by ssonygill(12)

 Question 82672: COULD SOMEONE SHOW ME THE STEPS TO SOLVE THE FOLLOWING PROBLEMS: 1.WHAT EXPRESSION REPRESENTS THE PRODUCT OF 3 LESS THAN TWICE X AND 2 MORE THAN THE QUANTITY 3 TIMES X? 2. IF X=-1 AND Y=2, WHAT IS THE VALUE OF THE EXPRESSION 2X^3 -3xy? THANK YOU!! Click here to see answer by scott8148(6628)

 Question 82680: Express as a polynomial: (x + a)(x ^ 2 - ax / x). Click here to see answer by jim_thompson5910(28595)

 Question 82708: Q) A triangle has sides (3x+7),(4x-9), and (5x-6). Find the polynomial that represents its perimeter. Click here to see answer by jim_thompson5910(28595)
 Question 82708: Q) A triangle has sides (3x+7),(4x-9), and (5x-6). Find the polynomial that represents its perimeter. Click here to see answer by neil_m(2)

 Question 82720: Let x represent a number. Write an equation for the square of 5 greater than the number. Click here to see answer by neil_m(2)

 Question 82724: perform the indicated divsions 8x^3-6x^2+2x divided by 4x+1 Click here to see answer by jim_thompson5910(28595)

 Question 82723: perform the indicated divisions x^2-2x-35 divided by x+5 Click here to see answer by checkley75(3666)

 Question 82721: a square has sides of length 3x-2cm. express the area of the square as a polonomial. top is 3x-2cm and right side is 3x-2cm if that helps. Click here to see answer by checkley75(3666)