rebekahc1999 rebekahc1999
  • 16-10-2017
  • Mathematics
contestada

Solve the equation: x2 + 5x − 2 = 0

Respuesta :

alejandroromero alejandroromero
  • 16-10-2017
 x2 + 5x − 2 = 0

add 2 to both sides you get 
x2+5x=2

subtract x2 from 5x 
3x=2
Answer Link
MacNCheese0816
MacNCheese0816 MacNCheese0816
  • 16-10-2017
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

Answer Link

Otras preguntas

((x) Which is the simplified form of the expression (xyv) ? O O 1 21.12 O xiy12 0x324
all waves, except electromagnetic waves, need a medium to travel through. what is a "medium"? give 2 examples
A series of events that gets the computer ready for work is known as what? soft boot hard boot boot loader boot sequence
Mark was thinking of a number. mark adds 11 to it, then doubles it and gets an answer of 40.5. what was the original number?
Complete the table for the given rule. Rule: y=x-4 6 0 4
HELPPP!! ITS DUE TODAY PLS 83 points!!
Topic - PsychologyHow does understanding a person reflects the way we think?Nonsense = Reported​
Please help!!! Give clear explanation for questions
our cardio endurance determines our bodues efficiency to deliver _____ into our blood stream and to our muscles.
Who is obligated to take responsibility for a service that the Constitution does not not explicitly delegate to the federal government?