Question Simplify the expression −90−b Evaluate 2110−b−2200Solution −90−b Show Solution Find the roots b=−90 Evaluate 2110−b−2200To find the roots of the expression,set the expression equal to 0 2110−b−2200=0Subtract the numbers −90−b=0Move the constant to the right-hand side and change its sign −b=0+90Removing 0 doesn't change the value,so remove it from the expression −b=90Solution b=−90 Show Solution
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