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
Zina [86]
3 years ago
7

The difference of the square of a number and 5 is equal to 4 times that number. Find the negative solution.

Mathematics
2 answers:
Alexeev081 [22]3 years ago
8 0

Answer:

x=-1 or x=5

Step-by-step explanation:

let the number be 'x'.

According to the statement given above:

x^2-5=4x

or

x^2-4x-5=0

Factorizing the quadratic equation for 'x'

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

Taking common from the equation:

x(x+1)-5(x+1)=0\\(x+1)(x-5)=0\\(x+1)=0, (x-5)=0\\x=-1,x=5

The solution of the equation is x=-1 or x=5

ivann1987 [24]3 years ago
8 0

Answer:

its -1 because i know it

Step-by-step explanation:

You might be interested in
Can some one explain in an easy way pls
Helga [31]
What needs to be done first is to add up females and males that have passed.

42 + 14 = 56

so out of 56 students who passed 42 females passed 42/56 = 3/4 = 0.75

out of 56 students who passed, 14 males passed which turns into 14/56 = 1/4 = 0.25

check work; 0.75 + 0.25 = 1.00

NOW WE ARE DOING FAILS.

15 + 5 = 20

so out of 20 students who failed, 15 females failed so it turns into 15/20 = 3/4 = 0.75

out of 20 students who failed, 5 males failed. 5/20 = 1/4 = 0.25

check work; 0.75 + 0.25 = 1.00

i hope this helped! :)

7 0
3 years ago
What is the area of this figure?
insens350 [35]

Answer:

54 units squared

Step-by-step explanation:

You have to divide the shape into simpler shapes such as rectangles and triangles that you can easily find the area of. Then, add those areas together. I divided it into one rectangle and three triangles.

Rectangle 1: length=7 width=6          6(7)=42

Triangle 1: base=6 height=2          1/2(6)2=6

Triangle 2: base=3 height=2          1/2(3)2=3

Triangle 3: base=6 height=1          1/2(6)1=3

Area= R1+T1+T2+T3= 42+6+3+3= 54 units squared

5 0
4 years ago
Read 2 more answers
The following figures are not drawn to scale but AB and CD are straight lines.<br> Find x.
leonid [27]
Answer:

x = 30

Step-by-step explanation:

2x + 90° + x = 180°

3x + 90° = 180°

3x = 90°

x = 90/3

x = 30
7 0
2 years ago
Read 2 more answers
ANSWER ASAP!!!
mr_godi [17]

Answer:

c

Step-by-step explanation:

got it right on edjenuity

6 0
3 years ago
Select the expressions that are equivalent to 10 + 2x + 5y + 3x.
Ierofanga [76]
:D :D :D :D :D :D :D :D
3 0
3 years ago
Other questions:
  • Whay maked this statement true ?7-^2=?
    13·2 answers
  • Submit Test 20 Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used Drag the numbers to match e
    14·1 answer
  • Find the area of the shaded region
    7·2 answers
  • A group of six tourists arrive at an airport gate 15 minutes before flight time, but only two seats are available. How many diff
    9·1 answer
  • Select the antonym for the given word undaunted?
    14·2 answers
  • Answer these 2 Questions for 10 points
    6·1 answer
  • Simplify all of these
    14·2 answers
  • Write an equation with the given point and slope.<br> Through (-1,7) and m = -3
    13·1 answer
  • Don't guess!
    11·2 answers
  • The volume of a cylinder is given by v, where r is the radius of the cylinder and h is the height. Which expression represents t
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!