Question

What must be added to 3x -7 to make x 2 + 4x -1?

Answer 1

let y be added to 3x-7 to make x^2+4x-1
then y+(3x-7)=x^2+4x-1
this imply y=x^2+4x-1-3x+7=x^2+x+6 hence the answer is x^2+x+6

Answer 2

@kbriones0

Answer 3

Thank you so much!!