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
VikaD [51]
3 years ago
12

X squared -6x=7 for completing the square

Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0
Take 1/2 of linear coefient (-6), so 1/2 of -6 is -3
square it  (  (-3)^2=9)
add that to both sides
x^2-6x+9=7+9
x^2-6x+9=16
factor perfect square trinomial
(x-3)^2=16
sqrt both sides, remember to take positive and negative roots
x-3=+/-4
add 3
x=3+/-4
x=-1 or 7
You might be interested in
I'll give BRAINIEST<br><br> .............
Andrew [12]
Its 0.25. ez. i hope i helped :)

3 0
3 years ago
Which system of equations can be used to find the roots of the equation4x^5-12x^4+6x=5x^3-2x?
goblinko [34]

Answer:

y = 4x^5 - 12x^4 + 6x and

y = 5x^3 - 2x

Step-by-step explanation:

The system of equations that can be used to find the roots of the equation 4x^5-12x^4+6x=5x^3-2x are;

y = 4x^5 - 12x^4 + 6x and

y = 5x^3 - 2x

We simply formulate two equations by splitting the left and the right hand sides of the given equation.

The next step is to graph these two system of equations on the same graph in order to determine the solution(s) to the given original equation.

The roots of the given equation will be given by the points where these two equations will intersect.

The graph of these two equations is as shown in the attachment below;

The roots are thus;

x = 0 and x = 0.813

5 0
3 years ago
Simplify 10 + 4(x + 1) + 5
Levart [38]
Distribute
10+4x+4+5

Combine like terms
19+4x

Final answer: 4x+19
4 0
3 years ago
Calculați aplicând distributivitatea înmulțirii fata de adunare și de scădere
solmaris [256]

Răspuns:

7/5;

2 întreg 5/12

Explicație pas cu pas:

6/7 × (2 numere întregi și 5 / 6-1 numere întregi și 1/5)

6/7 * (2 5/6 - 1 1/5)

6/7 * (17/6 - 6/5)

6/7 * (85 - 36) / 30

7/7 * 49/30

1/1 * 7/5

= 7/5

2.)

5/8 × 1 întreg și 2/3 + 11/5

5/8 * (1 2/3 + 11/5)

5/8 * (5/3 + 11/5)

5/8 * (25 + 33) / 15

5/8 * 58/15

1/8 * 58/3

= 58/24

= 2 întreg 10/24

= 2 întreg 5/12

4 0
2 years ago
Which is equivalent to 34?<br> O A) 3 X 4<br> O B) 4x3<br> O C) 4 X 4x4<br> O D) 3 x 3x3x3
Tpy6a [65]
The answer is d because all the other options are less than 34
8 0
3 years ago
Read 2 more answers
Other questions:
  • Katie cut out a rectangular piece of wrapping paper that was 2 times as long and 3 times as wide as the box that she was wrappin
    13·2 answers
  • If a scuba diver is 20 feet under the surface of the water and ascends 8 feet, what is the scuba diver's new location?
    13·2 answers
  • Absolute value of |-6+6|
    13·2 answers
  • An altitude of a triangle is a line or segment that passes through a vertex of the triangle and is _____________ to the line con
    5·2 answers
  • Which values are in the solution set of the inequality -23x+13&gt;-1
    13·2 answers
  • Does choosing a blue marble represent the complement event of choosing a red marble? Explain.
    8·2 answers
  • NEED ANSWER ASAP! BEST ANSWER WILL GET BRAINLIEST AND FIVE STARS!
    5·2 answers
  • Hi, can someone help me with this?<br><br> Solve the system of equations: <br> Y= 2x-4 <br> X= y+1
    15·1 answer
  • Look at the sample space below. {1, 2, 3, 7, 9, 10, 15, 19, 20, 21} When chosen randomly, what is the probability of picking an
    11·2 answers
  • Can you pls help me with my homework I need help
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!