Question Simplify the expression a−225 Evaluate a−1221Solution More Steps Evaluate 1221Multiply the denominator of the fraction by the whole number and add the numerator of the fraction 212×2+1Multiply the terms 224+1Add the terms 225 a−225 Show Solution Factor the expression 21(2a−25) Evaluate a−1221Covert the mixed number to an improper fraction More Steps Evaluate 1221Multiply the denominator of the fraction by the whole number and add the numerator of the fraction 212×2+1Multiply the terms 224+1Add the terms 225 a−225Solution 21(2a−25) Show Solution Find the roots a=225Alternative Form a=12.5 Evaluate a−1221To find the roots of the expression,set the expression equal to 0 a−1221=0Covert the mixed number to an improper fraction More Steps Convert the expressions 1221Multiply the denominator of the fraction by the whole number and add the numerator of the fraction 212×2+1Multiply the terms 224+1Add the terms 225 a−225=0Move the constant to the right-hand side and change its sign a=0+225Solution a=225Alternative Form a=12.5 Show Solution