Question

This equation is for what can anyone please tell me and also that what is (n²) in this equation ? no spam i will report for nonsense answer​

Answer 1

Answer:

Equivalent equations are algebraic equations that have identical solutions or roots. Adding or subtracting the same number or expression to both sides of an equation produces an equivalent equation. Multiplying or dividing both sides of an equation by the same non-zero number produces an equivalent equation.