Question

How many solution does -6(x+7) =-4x-2 have

Answer 1

Answer:

Only one solution and its x = −20

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

The easiest way to determine the answer to your question is to evaluate the

discriminant

For a quadratic in the form:

y

=

a

x

2

+

b

x

+

c

the

discriminant

) is equal to

b

2

−

4

a

c

For your example

4

x

2

+

8

x

+

3

=

0

The

discriminant

is

Δ

=

8

2

−

4

(

4

)

(

3

)

2

(

4

)