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Law Incorporation [45]
3 years ago
12

Determine the factors of x2 − 8x − 12.

Mathematics
2 answers:
trasher [3.6K]3 years ago
8 0
C. Prime
Pretty sure its C because none of the other options factor to x^2-8x-12
lorasvet [3.4K]3 years ago
4 0

Answer:

<em>The correct option is:  c. Prime</em>

Step-by-step explanation:

The given expression is:   x^2 -8x-12

First we will take each given option and simplify them using FOIL method to see if we get the original given expression. So.....

a.\ \ \ (x-6)(x+2)\\ \\ =x^2+2x-6x-12\\ \\ =x^2-4x-12\\ \\ \\ b.\ \ \ (x+3)(x-4)\\ \\ =x^2-4x+3x-12\\ \\ =x^2-x-12\\ \\ \\ d.\ \ \ (x+6)(x-2)\\ \\ =x^2-2x+6x-12\\ \\ =x^2+4x-12

We can see that options a, b\ and\ d doesn't give the original given expression.

So, the expression x^2 -8x-12 is Prime.

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Step-by-step explanation:

Given Data:

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= 1 / 30

= 9km/hr * 1 / 30

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= 0.3 km in 2mins

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