Question Simplify the expression 3138−A Evaluate 3139−1−ASolution 3138−A Show Solution Find the roots A=3138 Evaluate 3139−1−ATo find the roots of the expression,set the expression equal to 0 3139−1−A=0Subtract the numbers 3138−A=0Move the constant to the right-hand side and change its sign −A=0−3138Removing 0 doesn't change the value,so remove it from the expression −A=−3138Solution A=3138 Show Solution
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