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by aardon
Sun Jul 31, 2011 4:34 pm
Forum: Beginning Algebra
Topic: Polynomials
Replies: 1
Views: 1300

Polynomials

I'm trying to figure out how my book came up with it's answer. I've worked and reworked this but come up with anything but their answer. Here's what I'm trying to accomplish. Evaluate the expression: y^4 - y^3 + y^2 + 2y - 1 Let y = -1 I interpreted it to read: -1^4 + -(-1)^3 + (-1)^2 + 2(-1) + (-1)...

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