# How can you factor #f(x)=x^4-12x^3+59x^2-138x+130#?

#x^4-12x^3+59x^2-138x+130#

#=(x^2-6x+10)(x^2-6x+13)#

#=(x-3-i)(x-3+i)(x-3-2i)(x-3+2i)#

Given:

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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