Question Simplify the expression a2a2k−k Evaluate a×2k−a1×kAny expression multiplied by 1 remains the same a×2k−akUse the commutative property to reorder the terms 2ak−akReduce fractions to a common denominator a2aka−akWrite all numerators above the common denominator a2aka−kSolution a2a2k−k Show Solution Find the excluded values a=0 Evaluate a(2k)−a1×kSolution a=0 Show Solution
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