Question

The number of zeros of x² - 1=0​

Answer 1

Answer:

p(x)=x^2-x+1

p(0)=(0)^2-(0)+1

=0-0+1

=1

Step-by-step explanation:

Answer 2

Answer:

2 zeroes. x= 1or -1

Step-by-step explanation:

x^2-1=0

(x-1)×(x+1)=0. [a^2-b^2=(a-b)×(a+b)]

x-1=0. x+1=0

x=1. x=-1