Упростить многочлен:<span><span><span>(<span>2xy−3<span>y2</span></span>)</span>2</span><span><span>(<span>2xy−3<span>y2</span></span>)</span>2</span></span>Решение:<span><span><span><span>(<span>2xy−3<span>y2</span></span>)</span>2</span>=</span><span><span><span>(<span>2xy−3<span>y2</span></span>)</span>2</span>=</span></span>Возведение в степень:<span><span>4<span>x2</span><span>y2</span>−12x<span>y3</span>+9<span>y4</span></span><span>4<span>x2</span><span>y2</span>−12x<span>y3</span>+9<span>y4</span></span></span>Ответ: <span>4<span>x2</span><span>y2</span>−12x<span>y3</span>+9<span>y<span>4</span></span></span>
х²-8х+12=(х²-8х+16)-4=(х-4)²-4