Question

please solve the above question

Answer 1

28 is Answerrrrrrrrrrrrrr please mark me brainlist

Answer 2

Hey here we just gotta apply an identity
$(a +b)(a - b) = {a}^{2} - {b}^{2}$
So it would be
${root7}^{2} - {2}^{2}$
= 7-4
=3



Hope this might help u