78.1k views
5 votes
6x2 = x + 15
using quadratic formula

User EdwinW
by
8.0k points

1 Answer

4 votes

Answer:

Explanation:

6

x

2

x

15

=

0

Use the quadratic formula to find the solutions.

b

±

b

2

4

(

a

c

)

2

a

Substitute the values

a

=

6

,

b

=

1

, and

c

=

15

into the quadratic formula and solve for

x

.

1

±

(

1

)

2

4

(

6

15

)

2

6

Simplify.

Tap for more steps...

x

=

1

±

19

12

The final answer is the combination of both solutions.

x

=

5

3

,

3

2

User Navin Leon
by
7.7k points