Answer:
5
Step-by-step explanation:
q = 6
r = 19
4q^2
= 4 x q^2
= 4 x 6^2
= 4 x 6 x 6
= 144
qr
= q x r
= 6 x 19
= 114
qr + 25
= 114 + 25
= 139
4q^2 - ( qr + 25 )
= 144 - 139
= 5
