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25 votes
Factor completely 3x3 − 3x2 − 18x. 3x(x 3)(x 2) 3x(x 3)(x − 2) 3x(x − 3)(x 2) 3x(x − 3)(x − 2).

User Aei
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1 Answer

12 votes
3x^3-3x^2-18x ——-Factor out 3x
3x(x^2-x-6)———-Rewrite the equation
3x(x^2+2x-3x-6)———Factor our X
3x(x(x+2)-3(x+2))——-factor out x+2
3x(x(x+2)-3(x+2))
3x(x+2) (x-3)
User Casolorz
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4.7k points
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