(-4+x5)10+-5x
Our guest has answered this question.
(-4+x*5)*10+-5x
= 10(-4+5x)-5x
= -40 + 50x -5x
= 45x - 40
normally you would finish here :)
I am not sure that this was your intended question.
Maybe you meant
(-4+x^5)10+-5x or sopmething else again
The ^ means "to the power of"
so 3^4 means 34