Объяснение:
c²-2c+3c-6-c²=c-6
7x+56+x²-64=x²+7x-8
4x²+20x-(4x²+20x+25)=4x²+20x-4x²-20x-25=-25
8x²-8y²=8(x²-y²)
-a²+6a-9=-(x+3)²
ab³-ba³=a(b³-ba²)
x(x-2)(x+1)=x²(x-1)
x(x²-2x+x-2) =x²(x-1)
x³-2x²+x²-2x=x³-x²
x³-2x²+x²-2x-x³+x²=0
-2x=0
x=0
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Answers & Comments
Объяснение:
c²-2c+3c-6-c²=c-6
7x+56+x²-64=x²+7x-8
4x²+20x-(4x²+20x+25)=4x²+20x-4x²-20x-25=-25
8x²-8y²=8(x²-y²)
-a²+6a-9=-(x+3)²
ab³-ba³=a(b³-ba²)
x(x-2)(x+1)=x²(x-1)
x(x²-2x+x-2) =x²(x-1)
x³-2x²+x²-2x=x³-x²
x³-2x²+x²-2x=x³-x²
x³-2x²+x²-2x-x³+x²=0
-2x=0
x=0