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zepelin [54]
3 years ago
8

PLZZZ help with this its pretty simple!

Mathematics
1 answer:
Nadya [2.5K]3 years ago
7 0

Answer:

It should be D, x^4 - 2x^3 + 7x^2 -12x - 4

Step-by-step explanation:

Since, the equation given in the question is the factored form of the equation D. It can be solved using FOIL (First Outside Inside Last):

x * x³ = x^{4

x * 7x = 7x²

x * 2 = 2x

-2 * x³ = -2x³

-2 * 7x = -14x

-2 * 2 = -4

This all would add up to ⇒ x^{4} - 2x³ + 7x² + (-14x + 2x) -4

Simplifying the parenthesis further would give the option D as the answer.

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