Combine Like Terms 1) 2X5 + 5X3 – 4X5 – 5X3 2)2a - 5b – 8c – 2a -5b + c
3)4x -8y + 4z – 6x – 2y – z
4)6x9 – 3 x6 – 8y10 + y – 6x9 -3x6 + y10 -2y
5)-5a7 – 2a – 7b8 + b – 2a7 – 5a +7b8 – 4b
6)– 2a -7b – 4c – d -2a +7b +c – d
7)-9a6 + a5 – b7 – 8b4 + a6 – 3a5 – b7 + b4

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

20%

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol