Find the value of the expression If a = 2, b = -4 and c 3 evaluate:

Question

= a² - b² - c²

⁼(a²+ b²)-c

Answer 1

Just plug the given values for a, b, and c into the expressions and compute the answer:

a² - b² - c² = 2² - (-4)² - 3² = ?

You can do the last one.