Answer:
x=3
Step-by-step explanation:
(2,-1) and 5
4 +2
= ×
=
=6 + 6 - -
=6 + 6 - 4 -
=6 + 2 -
=6 + 2 - 2
=4 +2
for = 2 ,
= ()^2 ×
=2 ×