Question

Evaluate a2−b4 if a=−12 and b=2. Express your answer in the simplest form.

Answer 1

let's solve :

`\boxed{ \boxed{ {a}^(2) - {b}^(4) }}`

Plugging the values of a and b

• 
  `( - 12) {}^(2) - (2 ){}^(4)`

• 
  `144 - 16`

• 
  `128`