Question

Simplify (a + b + c)²-(a-b-c)²
for class 9 ​

Answer 1

Step-by-step explanation:

(a + b + c)²-(a-b-c)²

( a+b+c-a+b+c)²

(2b+2c)²

4b²+4c²+8ac

Answer 2

Answer:

0

Step-by-step explanation:

it means $a^2$ + $b^{2}$ + $c^2$ - $a^2$ - $b^2$  - $c^2$ which = 0