CBSE BOARD X, asked by kumarutsav8170, 7 months ago

The zero of the polynomial x square - 2x -3are

Answers

Answered by Devdutt123
1

Answer:

x=-1 and x=3

Explanation:

x^2-2x-3

x^2-3x+x-3

x(x-3)+1(x-3)

(x+1)(x-3)

if x+1=0

x=-1

similarly, x-3=0

               x=3

Answered by RIMI2003
0
Zeroes of polynomial x
2
+5x−204
Using common factor method
x
2
+17x−12x−204
=x(x+17)−12(x+17)
=(x−12)(x+17)
To find zeroes of polynomial, we can equate the factor equal to zero.
∴(x−12)=0 ; (x+17)=0
x=12 ; x=−17
(12,−17) zeroes of polynomial.
Hence, the answer is (12,−17).
Similar questions