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03-23-2008, 10:25 PM
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| Solving polynomials? Please help with the most you can. And teach me how to do it
please!? 1. (x^3 + 6x^2 - 10x + 3) + (-3x^3 + 7x^2 - x - 2) 2. (-1 + 11x + 2x^2 - 5x^3 + 8x^4) - (9x^2 - 8x^3 + 20 + 4x^4) 3. (3x - 1) TIMES (4x^2 -2x + 7) 4. (10x^3 + 3x^2 - 5) DIVIDED BY (2x + 3) 5. (4x^3 + 7x^2 - 2x - 8) DIVIDED BY (x^2 + 3x - 1) Please help, teach me how to do it and give me the answers please!      |
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03-23-2008, 10:25 PM
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the method is called "FOILing". you multiply the first time the first, then the first by the outside, then first times the inside then first times the last. Then repeat. And while doing this be sure you remember the laws of exponents where any two exponents multiplied become added.
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