Solve the equation: x2 + 5x - 2 = 0

Question

Mathematics

Holt

16 July, 09:46

Solve the equation: x2 + 5x - 2 = 0

+5

Answers (2)

Know the Answer?

Quentin Aguilar · Answer 1

Let's solve your equation step-by-step.

x2+5x-2=0

Step 1: Use quadratic formula with a=1, b=5, c=-2.

x

=

-

b

±

b

2

-

4

a

c

2

a

x

=

-

(

5

)

±

(

5

)

2

-

4

(

1

)

(

-

2

)

2

(

1

)

x

=

-

5

±

33

2

x

=

-

5

2

+

1

2

33

or

x

=

-

5

2

+

-

1

2

33

Answer:

x

=

-

5

2

+

1

2

33

or

x

=

-

5

2

+

-

1

2

33

Karson Burch · Answer 2

x2 + 5x - 2 = 0

add 2 to both sides you get

x2+5x=2

subtract x2 from 5x

3x=2