Question

-м(9-м)-(4+м) (м-4) при м= -7/9
СРОЧНО!!​

Answer 1

-m (9 - m) - (4 + m) (m - 4), при условии m = -7/9

$-\frac{7}{9}$ (9 -  $\frac{7}{9}$ ) - (4 + $\frac{7}{9}$ ) ( $\frac{7}{9}$ - 4) = - $\frac{7}{9}$ * $\frac{74}{9}$ - $\frac{43}{9}$ * ( - $\frac{29}{9}$ ) = - $\frac{518}{81}$ + $\frac{1247}{81}$ = 9