Найдите корень уравнения (х-4)(х-6)-(х-2)(х+2)=-2

Question

Найдите корень уравнения (х-4)(х-6)-(х-2)(х+2)=-2

Comments

х^2-6х-4х+24-х^2-2х+2х+4+2=0

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-10х+30=0

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-10х=-30

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Х=-30\-10

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х=3

Answer 1

X2-4x-6x+24-x2+2x-2x+4=-2 
 X2-4x-6x+24-x2+2x-2x+4=-2
-2x=-30
X=15