SOLUTION: If possible, factor: f(x)= x squared - 6x - 91
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Question 150150This question is from textbook algebra and trigonmnetry
: If possible, factor: f(x)= x squared - 6x - 91
This question is from textbook algebra and trigonmnetry
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If possible, factor: f(x)= x squared - 6x - 91
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Notice that 91 has factors of 1, 7, 13, and 91. If it's factorable with integers, it has to be a pair of those, either 1 and 91, or 7 and 13.
The coefficient of x will be the difference between the 2 factors. 1 and 91 would be a difference of 90, way off. 7 and 13 have a difference of 6, so they're it.
So it's (x + 7)*(x - 13)
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