Question

please answer fast .........

Answer 1

1 is the answer
the process is
${(9(1) - 5( - 2))}^{2} + 180(1)( - 2)$
${(9 + 10)}^{2} - 360$ ${(19)}^{2} - 360$
$361 - 360$
$1$

answer hope it will help you.