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Solve  for $x$: $x^3 - 2x^2 -6x + 4 = 0$
in Grade 12 Maths by Bronze Status (5.9k points) | 13 views

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x=-2 gives 0 when substituted, x+2 is a factor

divide cubic function by x+2 using long division to get

(x+2)(x^2 -4x + 2) = 0, use quadratic formula as 2nd bracket cant be factorized

 x= -2 or x = 3.41 or x = 0.59
by Diamond (80.1k points)

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