20scoleman
20scoleman 20scoleman
  • 24-08-2019
  • Mathematics
contestada

N^2-4n
Help please thanksss

Respuesta :

absor201
absor201 absor201
  • 24-08-2019

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 ....

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