Question Simplify the expression −2r Evaluate r×9−r×11Use the commutative property to reorder the terms 9r−r×11Use the commutative property to reorder the terms 9r−11rCollect like terms by calculating the sum or difference of their coefficients (9−11)rSolution −2r Show Solution Find the roots r=0 Evaluate r×9−r×11To find the roots of the expression,set the expression equal to 0 r×9−r×11=0Use the commutative property to reorder the terms 9r−r×11=0Use the commutative property to reorder the terms 9r−11r=0Subtract the terms More Steps Simplify 9r−11rCollect like terms by calculating the sum or difference of their coefficients (9−11)rSubtract the numbers −2r −2r=0Change the signs on both sides of the equation 2r=0Solution r=0 Show Solution
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