Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)
Question 241242: Okay, I'm lost on this one, I've tried it a few different ways and my program keeps telling me I have the wrong answer. Any suggestions?
Factor a quadratic polynomial in two variables.
2x^2+7xy-15y^2
Thanks so much for any help!
Click here to see answer by checkley77(7035)  |
Question 241180: a decorator plans to place a rug in a room 9m by 12m in such a way that a uniform strip of flooring around the rug will remain uncovered. if the rug is to cover half the floor space, what should the dimensions of the rug be?
Click here to see answer by solver91311(5072)  |
Question 240891: I cannot seem to figure out how this expression was simplified. Could someone show me how it was done?
x^2+4x+3=x^2+6x+8 simplified = -2x=5 which the solution is -5/2 I need to know how this was done. Thanks. I have a hard time simplifying.
Click here to see answer by stanbon(26252)  |
Question 240640: Please help me figure this problem. I am new to Algebra so I have no clue. The problem is: Find the equation for the line with the given properties. Perpendicular to the line -5x-y=7; containing the point (0, -7/5)
Thank-you very much
Click here to see answer by rapaljer(3610)  |
Question 240538: Please help me out with this equation:
7/8 - 2/11 = x/44
I multiplied the two sides by the LCD, and ended up with a fraction that could not be reduced, but the question was asking for an answer in reduced form.
Please help me! It would be greatly appreciated!
Click here to see answer by scott8148(3382)  |
Question 240452: I have been trying to simplify this problem, but I am not sure where to start. Any help would be greatly appreciated. The problem is:
x-1/x^2+1 times x^4-1/(x-1)^2 times x^2-1/x^4-2x^2+1
Thank you for your time.
Click here to see answer by stanbon(26252)  |
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