решите уравнение х^2-3х-10/х+2=0

Question

решите уравнение х^2-3х-10/х+2=0

Answer 1

1) X^2 - 3X - 10 = 0

D = 9 - 4*1*(-10) = 49

X1 = 3 + 7 / 2 = 5

X2 = 3 - 7 / 2 = - 2

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(X - 5)(X + 2) / X + 2 = 0

X - 5 = 0

X = 5