3 килограма ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
8-3(4-5х)=20х-34
8-12+15х=20х-34
-5х=-30
х=6
Ответ: 6
-9 -1Х=4Х+5
х=4+5
x=9
Х=8+9
x=17
3ab²-3ac²=3a(b²-c²)
100c^8-81c^5=c^5(100c³-81)
162ay²-2a²y=2ay(81y-a)
-5b²+5=5(-b²+1)
14p²-1=-1(-14p²+1)
32x³y²-2x²y=2x²y(16xy-1)
12x²y+12xy+3y²x=3xy(4x+4+y)
7x³y²-3xy²-18x²y=xy(7x²y-3y-18x)
ab²-2ab+a=a(b²-2b+1)
100x²y²+20xy-x³y⁴=xy(100xy+20-x²y³)