Yes:

Ignore the 3 for now and go back to it later

First = X*X = X^2
Outside = X*-2 = -2X
Inside = 5*X = 5X
Last = -2*5 = -10

Add it all together:

X^2-2x+5x-10
X^2+3x-10

Bring the 3 back into it:

3(X^2+3x-10)

Distribute the 3 and you get 3x² + 9x - 30