Question

solve the quadratic equation 2x2-3x-5=0 ​

Answer 1

Answer:

Explanation:

2

x

2

−

3

x

−

5

=

0

The quadratic formula is

x

=

−

b

±

√

b

2

−

4

a

c

2

a

.

This equation is in standard quadratic form, so we know that:

a

=

2

,

b

=

−

3

, and

c

=

−

5

.

Plug them into the equation and solve for

x

:

x

=

−

(

−

3

)

±

√

(

−

3

)

2

−

4

(

2

)

(

−

5

)

2

(

2

)

x

=

3

±

√

9

+

40

4

x

=

3

±

√

49

4

x

=

3

±

7

4

x

=

10

4

and

−

4

4

x

=

5

2

and

−

1

Hope this helps!