Question o−9−81 Simplify the expression o−90 Evaluate o−9−81Solution o−90 Show Solution Find the roots o=90 Evaluate o−9−81To find the roots of the expression,set the expression equal to 0 o−9−81=0Subtract the numbers o−90=0Move the constant to the right-hand side and change its sign o=0+90Solution o=90 Show Solution
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