Question

HELLLLLPPPPPPPpp Plsssssssssssssssssssssssssss
Is one of them correct? Both of them? Neither of them? Explain what each of them did that was correct and/or incorrect.

Answer 1

Hope did it right

The problem with Joe's answer is that

When we expand the equation we will get

$(8x - 12)(x + 1) \\ = 8 {x}^{2} - 12x + 8x - 12 \\ = 8 {x}^{2} - 4x - 12$

... Hope this will help....