<span><span><span>
18−<span>5<span>(<span>+3</span>)</span></span></span>><span>1−<span>7</span></span></span><span><span>18−<span>5<span>(<span>x+3</span>)</span></span></span>><span>1−<span>7x</span></span></span></span><span><span><span><span>18−<span>5</span></span>−15</span>><span>1−<span>7</span></span></span><span><span><span>18−<span>5x</span></span>−15</span>><span>1−<span>7x</span></span></span></span><span><span><span>3−<span>5</span></span>><span>1−<span>7</span></span></span><span><span>3−<span>5x</span></span>><span>1−<span>7x</span></span></span></span><span><span><span><span><span>−5</span></span>+<span>7</span></span>><span>1−3</span></span><span><span><span><span>−5</span>x</span>+<span>7x</span></span>><span>1−3</span></span></span><span><span><span>2</span>><span>−2</span></span><span><span>2x</span>><span>−2</span></span></span>x> - 1 <span><span>>−1
</span></span>
А) х^2=36
х=6
Б) вот это хызы
2)Пусть х=-12 а y=72 тогда
72=0,5*-12
72=-6
D(-12,72)-Не принадлежит
Х(
-1) +
-1 = (
-1)(x+1)
Думаю это правильный ответ↑
Х=а - это прямая, проходящая через точку (а,0) перпендикулярно оси ОХ
у=в - это прямая, проходящая через точку (0,в) перпендикулярно оси ОУ