Question

Срочно !!!!!! Дам 15 балов

Answer 1

решение:

$( \frac{43}{10}c - \frac{2}{11} c {}^{2} )( \frac{1}{11} c {}^{2} - \frac{13}{10} c) = \frac{43}{10} c - \frac{2}{11} c {}^{2} + \frac{1}{11} c {}^{2} - \frac{13}{10} c = 3c - \frac{1}{11} c {}^{2}$