Question

please someone help me​

Answer 1

Step-by-step explanation:

$\frac{2}{5} \times ( \frac{ - 5}{7} ) - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{5} \\ \\ - \frac{2}{7} - \frac{1}{4} + \frac{1}{35} \\ \\ = \frac{ - 8 - 7}{28} + \frac{1}{35} \\ \\ = \frac{ - 15 \times 5 + 4}{140} \\ \\ = \frac{ - 75 + 4}{140 } \\ \\ = \frac{ - 71}{140}$

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