Question Simplify the expression 19911−A Evaluate 19911−1×ASolution 19911−A Show Solution Find the roots A=19911 Evaluate 19911−1×ATo find the roots of the expression,set the expression equal to 0 19911−1×A=0Any expression multiplied by 1 remains the same 19911−A=0Move the constant to the right-hand side and change its sign −A=0−19911Removing 0 doesn't change the value,so remove it from the expression −A=−19911Solution A=19911 Show Solution
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