Algebra I For Dummies by Mary Jane Sterling

Author:Mary Jane Sterling
Language: eng
Format: epub, mobi, pdf
ISBN: 9781119297567
Publisher: Wiley
Published: 2016-05-24T00:00:00+00:00

The number 1 is a solution, so (x – 1) is a factor. Dividing again, into the result:

The number –1 is a solution, so (x + 1) is a factor. The numbers across the bottom are the coefficients of the trinomial factor multiplying the two binomial factors, so you can write

What’s even nicer is that the trinomial is easily factored, giving you an end result of

Part 3

Working Equations

IN THIS PART …

Are you a fan of Sherlock Holmes, Perry Mason, one of the CSI teams? They’re all sleuths using investigation, logic, and insight to solve problems — and entertain at the same time. Solving equations in algebra can be entertaining, too. The thrill of the hunt and the final correct solution give you that warm, fuzzy feeling all over. You won’t get as much recognition as TV detectives do, but you’ll have accomplished as much as — if not more than — they have. On with the show!

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