Question

plz solve fast $(\sqrt5 +\sqrt2)^{2} -(\sqrt8-\sqrt3)^{2}$ 25 points step by step explaination plz fast

Answer 1

Answer:

${(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab \\ \\ \\ {(a - b)}^{2} = {a}^{2} + {b}^{2} - 2ab$

=5+2+2√10 - ( 8+3-2√24)

=7+2√10-11+2√24

= -4+2(√10+√24)