Question

the problem is:(13y^3+2y^2-8y)-(2y^3+4y^2-7y)

Answer 1

i got 15y^3-2y^2+15

Answer 2

one sec, lemme work it out

Answer 3

no :/

Answer 4

did you remember to change the signs?

Answer 5

lol no oops.!

Answer 6

always look at the function lol. if it's minus, you have to change the signs. if it's plus, they stay the same

Answer 7

tell me what you get after changing them

Answer 8

i got 11y^3-6y^2+15

Answer 9

no .-.

Answer 10

11y^3 is right, everything else isn't lol

Answer 11

2y^2 - 4y^2 = ?

Answer 12

-2

Answer 13

yes. -2y^2

and -8y + 7y = ?

Answer 14

so 11y^3-2y^2-1

Answer 15

not -1. there's a y there. so it's 11y^3 - 2y^2 - y

Answer 16

kk. thank ya.