Question

5a2-2bc2 if a is 12,b is 4,c is 5​

Answer 1

Step-by-step explanation:

Given,

a = 12

b = 4

c = 5

Substituting these values in 5a²-2bc²

5 x (12)² - 2 x 4 x (5)²

5 x (12 x 12) - 2 x 4 x (5 x 5)

5 x 144 - 8 x 25

720 - 200 = 520