Question

Please help me use the attachment to see the question

Answer 1

$(m^{2} -m+3)+(m-1)$
$= m^{2} -m+3+m-1$ . . . . . . . . (opening the brackets)
$= m^{2} -m+m+3-1$ . . . . . . . . (collecting like terms)
$= m^{2} +2$