5x^2-3x-2 (5x+2)(x-1) x-1
_______ = ________ = ___
5x^2+2x x(5x+2) x
5x^2-3x-2=0D=-3^2-4*5*-2=49 v(D)=7x1=(3-7)/(2*5)=-0,4x2=(3+7)/(2*5)=15(x+0.4)(x-1)=(5x+2)(x-1)
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5x^2-3x-2 (5x+2)(x-1) x-1
_______ = ________ = ___
5x^2+2x x(5x+2) x
5x^2-3x-2=0
D=-3^2-4*5*-2=49 v(D)=7
x1=(3-7)/(2*5)=-0,4
x2=(3+7)/(2*5)=1
5(x+0.4)(x-1)=(5x+2)(x-1)