Question

find the maximum and minimum value of x square - 9 X square + 24 x + 7​

Answer 1

Answer:

$9 {x}^{2} + 24x + 7 \\ 9 {x}^{2} + 21x + 3x + 7 \\ 3x(3x + 7) + 1(3x + 7) \\ (3x + 7) \: \: (3x + 1) \\ \\ x = - \frac{7}{3} \: \: \: x = - \frac{1}{3}$

Answer 2

Answer:

the maximum and minimum value of x square is

40x^2+7