Question

How do you evaluate b2+2a−c2 given a=12, b=9, c=4?

Answer 1

Answer:

89

Step-by-step explanation:

Given that ;

a = 12,

b = 9

c = 4

Substitute these values ;

b² + 2a - c²

⇒ 9² + 2 * 12 - 4²

⇒ 81 + 24 - 16

⇒ 105 - 16

⇒ 89

Hence, the answer is 89.