Question Simplify the expression d−211 Evaluate d−521Solution More Steps Evaluate 521Multiply the denominator of the fraction by the whole number and add the numerator of the fraction 25×2+1Multiply the terms 210+1Add the terms 211 d−211 Show Solution Factor the expression 21(2d−11) Evaluate d−521Covert the mixed number to an improper fraction More Steps Evaluate 521Multiply the denominator of the fraction by the whole number and add the numerator of the fraction 25×2+1Multiply the terms 210+1Add the terms 211 d−211Solution 21(2d−11) Show Solution Find the roots d=211Alternative Form d=5.5 Evaluate d−521To find the roots of the expression,set the expression equal to 0 d−521=0Covert the mixed number to an improper fraction More Steps Convert the expressions 521Multiply the denominator of the fraction by the whole number and add the numerator of the fraction 25×2+1Multiply the terms 210+1Add the terms 211 d−211=0Move the constant to the right-hand side and change its sign d=0+211Solution d=211Alternative Form d=5.5 Show Solution