Question

Subtracted from -7mn+2m2+3n2 to
get m² + 2mn+ n2​

Answer 1

Answer:

m2+2n2-9mn

1. Step-by-step explanation:7 - 7 + 2 square + 3 square minus minus minus

Answer 2

Answer:

-7mn+2m²+3n² - (m²+2mn+n²)

-7mn+2m²+3n² -m² -2mn-n²

-7mn-2mn+2m²-m²+3n²-n²

-9mn+m²+2n²

HOPE THIS WILL HELP YOU

NOTE: to get (² ) sign press number 2 for a while