Question

(8−x)2−x(x+4), если x=4/10. Помогите решить

Answer 1

Ответ: 56

$(8-\frac{4}{10})^{2} -\frac{4}{10} *(\frac{4}{10}+4)\\\\(\frac{38}{5})^{2} -\frac{2}{5} *\frac{22}{5} \\\\\frac{1444}{25} -\frac{44}{25}$

56