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1) Simplify each expression. State all restrictions on x. x-7 a) b) x²-4x-21 2x²+7x-15 2x²+3x-9

1) Simplify each expression. State all restrictions on x. x-7 a) b) x²-4x-21 2x²+7x-15 2x²+3x-9

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter1: Foundations
Section1.2: Use The Language Of Algebra
Problem 1.46TI: Identify the terms in the expression 5x+2y .
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1) Simplify each expression. State all restrictions on x. x-7 a) b) x²-4x-21 2x²+7x-15 2x²+3x-9
Transcribed Image Text:1) Simplify each expression. State all restrictions on x. x-7 a) b) x²-4x-21 2x²+7x-15 2x²+3x-9
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