Step-by-step explanation:
f(x)=x²-5x-6
first we factorize it
we take first and last number in multiplication
-6x²
-6x+1x
so the ewuation is
f(x)=x²-6x+1x-6
f(x)=x(x-6)+1(x-6)
f(x)=(x+1)(x-6)
•x+1=0
x= -1
•x-6=0
x=6
hope it helps you
