736/4 =184 вот так
можно в столбик
<span>100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000</span>
(-4-8х)(4х+0.5)=0
-4-8х=0 или 4х+0.5=0
-8х=4. 4х=-0.5
Х=-0,5. Х=-0,125
12 = 2 * 2 * 3
48 = 2 * 2 * 2 * 2 * 3
Выберем общие множители: 2 * 2 * 3 = 12.