Question

If a = -3 and c = -1 evaluate :
2a² - c² = ?

Answer 1

heya friend! ✋

• please refer to the attached image for your solution.

Thank you ☺

Answer 2

Answer:. 17

Step-by-step explanation:

As a=-3 and c=-1 then

2a^2-c^2

2(-3)^2- (-1)^2

=2(9)- (1)

=18-1

=17