Question

Simplfiy (8j^3 +5j^2 - 3) - (5j^3 + 7j^2 -12j + 7)

Answer 1

Just subtract, 8j^3 +5j^2 - 3 - 5j^3 - 7j^2 +12j - 7
3j^3-2j^2+12j-10
Please vote me best Response

Answer 2

Combine like terms after distributing the - (5j^3 + 7j^2 -12j + 7)

Answer 3

@lvljz_dud3 u were wrong :/

Answer 4

Good thing I checked it

Answer 5

My Fault, what did I do wrong?

Answer 6

the +12 should be a -12j @lvljz_dud3

Answer 7

No, because distributing the negative makes it positive

Answer 8

He is right, I don't see an error.

Answer 9

But it has nothing in common

Answer 10

What? -(-12j) is +12j

Answer 11

A negative times a negative equals a positive. You have to look at the negative sign in front of the polynomial as an invisible -1

Answer 12

Oh yeahhh. Ugh sorry! Thanks

Answer 13

Happens to everyone :)