Question

1.(a-b-c)² formaula
2.(a-b+c)² formula
3.(-a+b+c)² formula
4.(a+b+c)²formula
HELP ME!!!!​

Answer 1

Answer:

1. a² + b² + c² - 2ab + 2bc - 2ac.
2. =a²+b²+c²+2ab+2bc+2ac.
3. (-a+b-c)^2}={(a^2)+(b^2)+(c^2) + 2ac - 2bc - 2ba}
4. (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca

Answer 2

Step-by-step explanation:

This is the base formula just in place of negative number write negative symbol

Hope it helps you