Question

Zeros of the polynomial x²-4x+3

Answer 1

x² – 4x + 3 = 0

x² – 3x – x + 3 = 0

x ( x – 3 ) – 1 ( x – 3 ) = 0

( x – 3 ) ( x – 1 ) = 0

Since product of two numbers is zero

hence

x = 3

or

x = 1