Question Simplify the expression 9090−A Evaluate 9102−12−ASolution 9090−A Show Solution Find the roots A=9090 Evaluate 9102−12−ATo find the roots of the expression,set the expression equal to 0 9102−12−A=0Subtract the numbers 9090−A=0Move the constant to the right-hand side and change its sign −A=0−9090Removing 0 doesn't change the value,so remove it from the expression −A=−9090Solution A=9090 Show Solution
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