What is the vertex of the quadratic functio f(x)=(x-6)(x+2)?

The vertex would be (2, -16)

Step-by-step explanation:

f(x) = x²+2x-6x-12

f(x)=x²-4x-12

f'(x)= 2x-4

2x-4=0

2x=4

x=4/2

x= 2

f(2)=(2)²-4(2)-12

f(2)=-16

=(2,-16)

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

1 3 5

step-by-step explanation:

i took the test: )