Question

using appropriate property solve=-1/7×3/4+1/7×1/5×-4/9.

Answer 1

$\frac{1}{7} ( \frac{3}{4} + \frac{ - 4}{9}) \times \frac{1}{5}$
$\frac{1}{7} ( \frac{11}{36} \times \frac{1}{5}$