Question Simplify the expression 56−a Evaluate 156−aSolution 56−a Show Solution Find the roots a=56 Evaluate 156−aTo find the roots of the expression,set the expression equal to 0 156−a=0Divide the terms 56−a=0Move the constant to the right-hand side and change its sign −a=0−56Removing 0 doesn't change the value,so remove it from the expression −a=−56Solution a=56 Show Solution
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