### Home > PC > Chapter 7 > Lesson 7.2.3 > Problem 7-66

7-66.

Let *x* = 1st number

Let *y* = 2nd number

Let *P* = product of the numbers

*x* + *y* = 9*P* = *xy* ^{2}

*P* = *x*(9 − *x*)^{2}

7-66.

Let *x* = 1st number

Let *y* = 2nd number

Let *P* = product of the numbers

*x* + *y* = 9*P* = *xy* ^{2}

*P* = *x*(9 − *x*)^{2}