Даны векторы \(\displaystyle \overrightarrow {a} (-5;6)\) и \(\displaystyle \overrightarrow {b}(7;1)\small.\) Найдите координаты вектора \(\displaystyle \overrightarrow {a}- 2\overrightarrow {b}\small.\)

Координаты вектора \(\displaystyle \overrightarrow {a}- 2\overrightarrow {b}{:}\)

\(\displaystyle (\)[ ]\(\displaystyle ;\)[ ]\(\displaystyle )\)