3 years ago

Which of the following is not a factor of 4x^3+12x^2-72x? a.(x+9) b.(x-3) c.4x d.(x+6

Mathematics

2 answers:

Liono4ka [1.6K]3 years ago

7 0

Answer:

x+9

Step-by-step explanation:

4x³+12x²-72x

=4x(x²+3x-18)

=4x[x²+6x-3x-18]

=4x[x(x+6)-3(x+6)]

=4x(x+6)(x-3)

guapka [62]3 years ago

5 0

The correct answer is x+9

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