# How do you simplify #-\frac { 9x - 9y } { 8x } + \frac { 4x - 11y } { 8x }#?

The denominators are already the same so the fractions can be combined into one.

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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.

- How do you divide #(x^4-2x^3+2x^2-3x+3)/(x^2-3) #?
- How do you find the product #(x^2-3x-10)/(x^2+2x-35)*(x^2+4x-21)/(x^2+9x+14)#?
- How do you multiply #(2x^2+8)div(x^4-16)/(x^2+x-6)#?
- How do you multiply #(1) / (y^2 - 4) = (1) / (y + 2)#?
- How do you divide #(4x^3 + 2x -15) / (2 x^2-1 ) # using polynomial long division?

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