Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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3. Simplify the following. Be sure to state all restrictions on equality. x²-1 (a) 2x²-2x-4 (c) x²-16 9-x ■ x²+x-90 x²+14x+40
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Transcribed Image Text:3. Simplify the following. Be sure to state all restrictions on equality. x²-1 (a) 2x²-2x-4 (c) x²-16 9-x ■ x²+x-90 x²+14x+40
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