Question

verification of p(x)=x^2-4x-5 by factorisation method or formula method​

Answer 1

Answer:

5 , -1

Step-by-step explanation:

$x^{2}$ - 4x - 5 = 0

$x^{2}$ + x - 5x - 5 = 0

x ( x + 1 ) - 5 ( x + 1 )

( x - 5 ) ( x + 1 )

x = 5,    x = -1