# Pre Cal

posted by .

1
---------
2x^2-2
---------------
2 + x
---- -------
x+11 x^2-2x-3

• Pre Cal -

work the denominator first.

2/(x+11) * x/(x^2-2x-3)

2/(x+11) * x/(x-3)(x-1)

get the common denominator..

1/(2(x^2-1) * inverted fraction

## Similar Questions

1. ### math

80 cal/g x 5 g 400g/cal or 400 cal/g not sure can any one help Neither. 80 cal/g x 5g = 400 cal. The unit g cancels to leave calories. x2+2x-15
2. ### Integrated Physics and Chemistry

The specific heat capacity of copper is 0.09 cal/g°C. How much energy is needed to flow into a 10-gram sample to change its temperature from 20°C to 21°C?
3. ### Pre-Calculus

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) …
4. ### Pre-Calculus

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) …
5. ### Science

A 50 gram ice cube is cooled to -10oC in the freezer. How many calories of heat are required to heat it until it becomes liquid water at 20oC?
6. ### physics

A 50 gram ice cube is cooled to -10oC in the freezer. How many calories of heat are required to heat it until it becomes liquid water at 20oC?
7. ### Chemistry

How much heat is released when 10 g of steam at 100°C is cooled to 10 g of liquid water at 100°C?
8. ### pre cal

does anyone take pre-cal online ?
9. ### Physics

A 150 gram golden (specific heat 0.03 cal/gram^0 C) spoon at 20^0C is placed in a cup of tea at 100^0C. The amount of heat which the spoon absorbs from the tea which is necessary to reach spoon's tempature 47^0C is a)360.4 Cal b)121.5 …
10. ### Chemistry/Physics

How much heat is required to raise the temperature of 100 g of lead 20 degrees C?

More Similar Questions