Question

Which expression is equivalent to the image below.

Answer 1

t - s

------------

t + s

Explanation:

To solve a problem like this you need to flip the denominator and multiply

Step 1: Write the equation

s

1 - ------

t

--------------

s

1 + -------

t

Step 2: Flip it and multiply

s t

1 - ------ × 1 + -------

t s

Step 3: Multiply Across

s t -s + t t - s

1 - ------ × 1 + ------- = -------------- or ---------------

t s t + s t + s

I hope this helps!