Question Simplify the expression 21989rv45 Evaluate r×1999v55225Cancel out the common factor 5 r×1999v1145Use the commutative property to reorder the terms 1999rv1145Multiply by the reciprocal 1145×1999rv1Multiply the terms 11×1999rv45Solution 21989rv45 Show Solution Find the excluded values r=0,v=0 Evaluate r×1999v55225To find the excluded values,set the denominators equal to 0 rv=0Separate the equation into 2 possible cases r=0v=0Solution r=0,v=0 Show Solution
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