PLEASE HELP WILL MARK BRAINLKIEST

a) -x(4 -x +1)

b) 4 (x-1)

c) -12 - 3x + 3

Step-by-step explanation:

Most of it is really just a matter of substituting expressions in. here's how i did it:

f(x) = x-1

g(x) = 4

a) (f-g) x

= (x - 1- 4) x

= x(- 4+x-1)

= -x (4 - x + 1)

*you can take the negative out of the bracket or not, i did though - just makes it neater. They are both right.

b) (fxg) x

= (4(x-1)) x

= 4 (x-1)

*just bring the x to the front and times it with the 4

c) (f+g) x -3

= (x - 1 + 4) x -3

= -3 (4 + x -1)

= -12 - 3x + 3

*just bring the -3 to the front and times it with the whole bracket to expand since it said evaluate

Hope that helped : )

75%

step-by-step explanation:

step-by-step explanation: