It's easy for you!1.什么多项式减去-4x^2-2x+1等于3x^2+4x-1?
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It''seasyforyou!1.什么多项式减去-4x^2-2x+1等于3x^2+4x-1?It''seasyforyou!1.什么多项式减去-4x^2-2x+1等于3x^2+4x-1?It''seasy
It's easy for you!1.什么多项式减去-4x^2-2x+1等于3x^2+4x-1?
It's easy for you!
1.什么多项式减去-4x^2-2x+1等于3x^2+4x-1?
It's easy for you!1.什么多项式减去-4x^2-2x+1等于3x^2+4x-1?
被减的多项式等于减与差的和
即:3x^2+4x-1+(-4x^2-2x+1)
=3x^2+4x-1-4x^2-2x+1
=-x^2+2x
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