Question

N^2-4n Help please thanksss

Answer 1

Answer:

Two solutions are found:

n=0 , n= 4 ....

Step-by-step explanation:

n^2-4n = 0

Take common from the given expression:

n(n-4)=0

When a product of two or more terms equals zero, then at least one of the terms must be zero.  

We shall now solve each term = 0 separately;

n(n-4)=0

n = 0.

n-4 = 0.

Add 4 at both sides:

n-4+4 = 0+4

n = 4

Therefore two solutions are found:

n=0 , n= 4 ....