Question

Basic method of algebra formula

Answer 1

Answer:

reffer the attached file

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Basic Algebra Formula:

a2 + b2 = (a – b)2 + 2ab. (a – b)2 = a2 – 2ab + b. (a + b + c)2 = a2 + b2 + c2 + 2ab + 2ac + 2bc. (a – b – c)2 = a2 + b2 + c2 – 2ab – 2ac + 2bc.