Question

add
(x^2 − 4x +5) + (7x^2 +2x− 3)

help me

Answer 1

This is a puzzling question, so my answer is not 100%, but:
"8 x^2 - 2 x + 2" is what I got. 

Answer 2

I wrote to you on the leaflet the answer

I hope helped ^-^

have a nice day)