For polynomial  p(x) ,

If  p(a) = 0

Then x = a is the zero of polynomial

 

So, to find zero,

We put p(x) = 0

And then find the value of x

 

Example :

p(x) = x + 30

Putting p(x) = 0

      x + 30 = 0

     x =   –30

So, x = −30 is a zero of polynomial p(x)

  1. Chapter 2 Class 9 Polynomials
  2. Concept wise
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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.