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(Solved): Solve by using Rational Root Theorem: x^(3)+3x^(2)-6x-8=0 ...
Solve by using Rational Root Theorem: x^(3)+3x^(2)-6x-8=0
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given that, x3+3x2?6x?8=0Factor the left side of the equation.Regroup terms.x3?8+3x2?6xRewrite 8 as 23.x3?23+3x2?6xSince both terms are perfect cubes,
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