a) y^2+4y-2y-8=y^2+2y-8
б) 6x^2-10x+27x-45=6x^2+17x-45
в) m^3-m^2+3m+m^2-m+3=m^3+2m-3
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a) y^2+4y-2y-8=y^2+2y-8
б) 6x^2-10x+27x-45=6x^2+17x-45
в) m^3-m^2+3m+m^2-m+3=m^3+2m-3