Question

substract a2-b2-c2 from the sum of 2a2+3b2-c2 and 4a2-3b2+5c2​

Answer 1

Step-by-step explanation:

2a^2+3b^2-c^2

4a^2-3b^2+5c^2

+_______________

6a^2+0+4c^2

a^2-b^2-c^2

- + + ( change the sig)

____________

5a^2-b^2+3c^2