I have this equation that I need to factor

The answer to this I am given is

However no matter how hard I try I cannot seem to get to this solution

I have tried...

Step 1

Multiplying the first term by the last term to get 24

Step 2

Finding out what factor of 24 adds to get -10. The answer I get for this is -6 and -4

Step 3

With this information, I make a new equation

Step 4

I try to do grouping at this point however the answer I get is completely different from

To be specific, I tried to group with since they share a common factor and did the same logic with grouping with

However this ultimately leads me with an answer that isn't what I'm given.

Is there something I am overlooking here? If so, please explain. Much obliged