Ответ:
1.
a) 8a-3a²+1-a+3a²=7a+1
б) -6x²+3x+6x²=3x
в) 16a³-16a³+6a²=6a²
г) 2a²b+2ab²-a²b+ab²=a²b+3ab²
2.
a) 3ax+4a=a(3x+4)
б) 14xy+21y²=7y(2x+3y)
в) 10y³+2y=2y(5y²+1)
г) 3y³-6y⁶=3y³(1-2y³)
3.
a) 5x-2x-2=13
3x=15
X=5
б) 9x-6x+6=5x+10
-2x=4
X=-2
4.
2a²+2ab-2ab+b²-b²-b=2a²-b=2(-0,3)²-(-0,4)=0,18+0,4=0,58
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Answers & Comments
Ответ:
1.
a) 8a-3a²+1-a+3a²=7a+1
б) -6x²+3x+6x²=3x
в) 16a³-16a³+6a²=6a²
г) 2a²b+2ab²-a²b+ab²=a²b+3ab²
2.
a) 3ax+4a=a(3x+4)
б) 14xy+21y²=7y(2x+3y)
в) 10y³+2y=2y(5y²+1)
г) 3y³-6y⁶=3y³(1-2y³)
3.
a) 5x-2x-2=13
3x=15
X=5
б) 9x-6x+6=5x+10
-2x=4
X=-2
4.
2a²+2ab-2ab+b²-b²-b=2a²-b=2(-0,3)²-(-0,4)=0,18+0,4=0,58