Question

(10k^3-8)-(-4k^3+k^2+5)

Answer 1

i combined like terms and got 14k^3+k^2-3

Answer 2

since this is subtraction, you have to distribute the - into the parentheses, basically just changing the signs

Answer 3

then you can combine

Answer 4

you know what i mean?

Answer 5

(10k^3-8)-(-4k^3+k^2+5) would change to

10k^3 - 8 + 4k^3 - k^2 - 5

so now you can combine the like terms

Answer 6

14k^3-13+k^2?

Answer 7

usually you wanna put it in descending order. and k^2 should be negative.

so it's 14k^3 - k^2 - 13

Answer 8

ok thanks.

Answer 9

no problemo