Is this right? if not, can you please fix it?

(x+1)

Step-by-step explanation:

6x^2 -6         3-3x

÷

8x^2 +8x       4x^2 +4x

Copy dot flip

6x^2 -6         4x^2 +4x

*

8x^2 +8x       3-3x

Factor

6(x^2-1)        4x(x+1)

*

8x(x+1)       3(x-1)

6(x-1)(x+1)       4x(x+1)

*

8x(x+1)       3(x-1)

Cancel like terms

2(x-1)           (x+1)

*

2                   (x-1)

    (x+1)

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

3

step-by-step explanation: