First lets make 3 1/8 to a improper fraction multiply 3 * 8 to 24 add 24 + 1 to 25 lets make 1 7/8 an improper fraction multiply 1 * 8 to 8 add 8 + 7 to 15 join the denominators together 10/8 simplify 10/8 to 5/4 Now lastly make 5/4 a mixed fraction
Since a and c in this equation are perfect squares, you know that the value of the factored form is going to be the (sqrt of a*d added to the sqrt of 81)^2, making(d+9)^2
