Question

(3x-2)во 2 степени -(2+3x)во 2 степени при x= -11/24​

Answer 1

$3 {x}^{2} - 4 - 4 - 9 {x}^{2} = - 6 {x}^{2} - 8 = - 6 \times ( - \frac{11}{24} ) ^{2} - 8 = - 6 \times \frac{121}{576} - 8 = - \frac{726}{576} - 8 = 1 \frac{150}{576} - 8 = 6 \frac{213}{263} .$