How do you FOIL #(x+2y^2)(x-4y) #?
Nathan AxelFOIL
First-Outer-Inner-Last:
or:
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Isaiah AnthonyTo FOIL (x+2y^2)(x-4y), you first multiply the First terms, then the Outer terms, then the Inner terms, and finally the Last terms. This gives you:
First: ( x \times x = x^2 ) Outer: ( x \times (-4y) = -4xy ) Inner: ( 2y^2 \times x = 2xy^2 ) Last: ( 2y^2 \times (-4y) = -8y^3 )
Combining these results, you get:
( x^2 - 4xy + 2xy^2 - 8y^3 )
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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.
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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