Question

what is the formula of (a-b+c)² please give steps by answer​

Answer 1

Step-by-step explanation:

First let’s put it into a more readable form:

(a-b+c)(a-b+c)

For this, we select a term, and multiply it with each term in the other bracket, and then repeat until all terms have been selected.

So we’ll have:

aa -ab + ac -ba + bb -bc +ca -cb +cc

Which can be rewritten into:

a² + b² + c² - 2ab - 2bc + 2ac

Or, if you like:

a² + b² + c² - 2(ab + bc -ac)

Answer 2

Answer:

a square + b square + c square - 2ab -2bc + 2 ca