Question

If
$5x - 2y = 10$
and
$xy = 2$
,find the value of
$(5x + 2y) {}^{2}$








Its answer is 129 .pls send the photo



Pls ​

Answer 1

Answer:

I don't know how to solve it because I am study in Class 7

Answer 2

Answer:

i think it's answer is 108