Question

help for medal and fan !! please (:

Answer 1

@cmorse @AccidentalAiChan @mathmate @rockstar0765 @jaybrezzy @jadeybells

Answer 2

The first step looks ok.
Try checking the second step.

Answer 3

So on the third line, you will notice that they did not multiply 2x(2x^2-4x-1) they just rewrote the terms inside the parenthesis and changed the sign in front of 1. So they did not apply a "certain" property correctly

Answer 4

Third line is the sceond step

Answer 5

ohh

Answer 6

what choice is it?

Answer 7

I'm thinking its b from what you said ?? @cmorse

Answer 8

good job

Answer 9

thanksss