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Verified Answer :

MissPhiladelphia

You must multiply (x-4)  Which is the x and the -4 to (x2 – 3x + 5)

1st: x^3 - 3x^2 + 5x - 4x^2 + 12x - 20

The simplify and eliminate. 

Then the answer will be  x^3 - 7x^2 + 17x - 20 = 0
I hope my answer helped you in any way

Blacklash

Answer:

Answer is

\(x^3-7x^2+17x-20 \\\)

Step-by-step explanation:

We need to find

\((x-4)(x^2-3x+5) \\\)

Using distribution rule.

\((x-4)(x^2-3x+5)=x^3-4x^2-3x^2+12x+5x-20\\\\(x-4)(x^2-3x+5)=x^3-7x^2+17x-20 \\\)

So the answer is

\(x^3-7x^2+17x-20 \\\)

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