Question

Which statement is true about judy's method?

Answer 1

all of the above cause A is wrong 

Answer 2

A. Judy made a mistake between Steps 1 and 2
To factor
`x^(2) - 16`, you have to factor it as
`(x-2)(x+2)(x-4)`, not
`(x-2)(x+8)`, because that will leave an extra 6x because of 8x - 2x.