Question Simplify the expression 21t Evaluate t×42Cancel out the common factor 2 t×21Solution 21t Show Solution Find the roots t=0 Evaluate t×42To find the roots of the expression,set the expression equal to 0 t×42=0Cancel out the common factor 2 t×21=0Use the commutative property to reorder the terms 21t=0Solution t=0 Show Solution
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