Question

(a-b+c)(a+b-c) by using suitable formula

Answer 1

Answer:

a^2-b^2+2bc^2-c^2

Step-by-step explanation:

While learning algebra 1,the very first rule that is taught is the rule of addition as well as the rule of solvin division and multiplication.The addition rule in an equation rule is applied where the same quantity is added to the two sides of the equation without alteration of the equation's solution set.

For the above equation therefore , these are the steps :

1. open the brackets and multiply all contents in the first bracket by those in the second

2.Cancel those that are same with different signs while collecting like terms.

Answer 2

Answer:

one by one each variable of first bracket multiply to another brackets' variables.