Multiply (x + - 1)3 (x + 1)3 = (x + 1)(x + 1)2
= (x + 1)(x2 + 2x + 1)
= x + 1x2 +
x +

(x +-1)3 (x + 1)3 = (x + 1)(x + 1)2

= (x + 1)(x2 + 2x + 1)

= x3 + 3 x2 + 3x + 1

Step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )