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Please help me out you guys!! (:

Which equation is the factored form of x^3-8x^2+9x+18=0?

A.) (x+1)(x-3)(x-6)=0
B.) (x+1)(x-2)(x+9)=0
C.) (x-1)(x-3)(x-6)=0
D.) (x-1)(x-2)(x+9)=0

User MarcMush
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1 Answer

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♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫

Expand out each option to see which one it is

1) (x + 1)(x - 3) = x^2 - 3x + x - 3 = x^2 - 2x - 3

(x - 6)(x^2 - 2x - 3) ==> x^3 - 8x^2 + 9x + 18

As you can see, this matches the original equation.

Therefore, the answer is option A.

Hope This Helps You!

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User PaulAdamDavis
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