Question Simplify the expression 215a−12 Evaluate 215a−11−1Solution 215a−12 Show Solution Find the roots a=21512Alternative Form a≈0.055814 Evaluate 215a−11−1To find the roots of the expression,set the expression equal to 0 215a−11−1=0Subtract the numbers 215a−12=0Move the constant to the right-hand side and change its sign 215a=0+12Removing 0 doesn't change the value,so remove it from the expression 215a=12Divide both sides 215215a=21512Solution a=21512Alternative Form a≈0.055814 Show Solution
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