1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vesna_86 [32]
3 years ago
5

Solve. x² + 5x – 2=0

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
8 0

Answer:

1

Use the quadratic formula

=

−

±

2

−

4

√

2

x=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}

x=2a−b±b2−4ac​​

Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

2

+

5

−

2

=

0

x^{2}+5x-2=0

x2+5x−2=0

=

1

a={\color{#c92786}{1}}

a=1

=

5

b={\color{#e8710a}{5}}

b=5

=

−

2

c={\color{#129eaf}{-2}}

c=−2

=

−

5

±

5

2

−

4

⋅

1

(

−

2

)

√

2

⋅

1

Step-by-step explanation:

this should help

Yuri [45]3 years ago
3 0
Solve the equation for X
by finding A B and c
of the quadratic then applying the quadratic formula.

I hope this helps !!

You might be interested in
Translate a algebraic expression .four less than four times a number. the translation is? type an expression using x as the vari
kicyunya [14]
4×√·²..................finish
3 0
3 years ago
Linear combination 3x+2y=-4 4x-y=13<br> Please give a step by step explanation
Ostrovityanka [42]

when you have a linear combination for example 3x + 2y equals negative 4 you adieu like terms and then multiply

8 0
3 years ago
Given the expression 5x^2y+ 2x - 4xy^2 - 5xy + 9x^2y, select the like term that would combine with 5x^2y.
Sveta_85 [38]
9x^2y would combine with 5x^2y as they have the same exponent and variables
7 0
3 years ago
Estimate the area of a circle with a radius of 27 meters
serg [7]
2289.06 meters squared
6 0
3 years ago
Read 2 more answers
A rectangle has a length of 11 inches and a width of 8 inches whose sides are changing. The length is increasing by 4 in/sec and
Amanda [17]

Answer:

9

Step-by-step explanation:

5+4=9

4 0
2 years ago
Other questions:
  • What is the area of the triangle ​
    14·1 answer
  • What is x for the equation 180=3× 3 (5×-18)?
    7·1 answer
  • HURRY IM DOING AN ALGEBRA TEST!?!!!
    12·2 answers
  • When two people play tennis it is called singles. When 4 people play it is called doubles.In doubles it is 2 players playing aga
    13·2 answers
  • A circle has a radius of 6.87 ft. What is the circumference of this circle? Use 3.14 for pi. Round your final answer to the near
    9·2 answers
  • Johnnys dinner bill totaled $75. He left a 15% tip. How much money will johnny spend in all of his dinner?
    8·1 answer
  • 14x+3y+250. Identify the variables, variable terms, constant terms, and coefficients, as well as what they represent in the cont
    12·1 answer
  • Anna lives 2.5 miles to the east of her school, and Ben lives 2 miles to the west of the same school.
    9·2 answers
  • 1. Write each percent increase or decrease as a percentage of the initial
    5·1 answer
  • Can someone pls help me on this
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!