(5v+u³)*(25v²-5vu³+u⁶)=(5v+u³)*((5v²-5vu+(u³)²)=(5v)³+(u³)³=125v³+u⁹.
(14a−3)(15a+10)−(35a+2)(7+6a)+162a
210a^2+140a−45a−30+(−35a−2)(7+6a)+162a
210a^2+257a−30+<span>(<span>−35a−2</span>)</span><span>(<span>7+6a</span>)</span>
<span>210a^2+257a−30−245a−210a^2−14−12a
</span>245a−44−245<span>a
</span>Приводим подобные:
Ответ: <span><span>−44</span></span>