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anonymous
 one year ago
Divide 3x2 − 11x − 4 by x − 4.
anonymous
 one year ago
Divide 3x2 − 11x − 4 by x − 4.

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sloppycanada
 one year ago
Best ResponseYou've already chosen the best response.0I assume you're solving for "x"?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Are you familiar with long division and/or synthetic division?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Personally, I would at first try to avoid division and try to factor. There is a neat trick for factoring things like 3x^2  11x  4. Normally this is a bit tricky, because of the 3 in front of x^2. The trick is this: 1. remove the 3 and multiply it with the last term: x^2  11x  12 (something different!) 2. factor this one: (x + 1)(x  12). 3. divide 1 and 12 by 3: (x + 1/3)(x  4) 4. if there are fractions, remove these by multiplying again: (3x + 1)(x  4). Now you have the right factorisation of 3x^2  11x  4. This means that dividing it by x  4 gives 3x + 1. Otherwise, you could do the long or synthetic division.
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