2a squared + 5b squared
a = -6
b = 2
2a2 + 5b2 = OR (2a)2 + (5b)2 =
2 (–6)2 + 5 (2)2 = (2 • –6)2 + (5 • 2)2 =
(2 • 36) + (5 • 4) = (–12)2 + (10)2 =
72 + 20 = 92 144 + 100 = 244
.
