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
svlad2 [7]
4 years ago
5

Multiplying to -5 adding to 4?

Mathematics
2 answers:
Kisachek [45]4 years ago
7 0
Xy = -5
x + y = 4

xy = -5
\frac{xy}{x} = \frac{-5}{x}
y = \frac{-5}{x}

x + y = 4
x + \frac{-5}{x} = 4
\frac{x^{2}}{x} + \frac{-5}{x} = 4
\frac{x^{2} - 5}{x} = 4
x^{2} - 5 = 4x
x^{2} - 4x - 5 = 0
x^{2} - 5x + x - 5 = 0
x(x) - x(5) + 1(x) - 1(5) = 0
x(x - 5) + 1(x - 5) = 0
(x + 1)(x - 5) = 0
x + 1 = 0    or    x - 5 = 0
x = -1    or    x = 5

   x + y = 4          or          x + y = 4
  -1 + y = 4          or          5 + y = 4
+ 1       + 1                     - 5        - 5
          y = 5             or             y = -1
    (x, y) = (-1, 5)               (x, y) = (5, -1)

The two numbers that add up to 4 and can multiply to -5 are -1 and 5.
DanielleElmas [232]4 years ago
5 0
5 and -1
5 x -1 = -5
5 + - 1 = 5 - 1 = 4
You might be interested in
Whis category do all of the shapes belong to?
Maurinko [17]

Answer:

2.1 Squares.

2.2 Rectangles.

2.3 Parallelograms.

2.4 Rhombuses.

2.5 Polygons in General.

Step-by-step explanation:

3 0
3 years ago
Simplify the expression.<br> 16 - 4 (3+2: (9–7)]<br> 0 0<br> O 6<br> O 30<br> O 64
katen-ka-za [31]
16-4(3+2:2)
16-4(3+1)
16-4 x 4
16-16=0
5 0
4 years ago
Gavin had $75,000 in a CD at Chunk-a-Change Bank, which just failed. If the
swat32

Answer:

$75,000

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Plz helppp plz plz plz help
noname [10]
Number one is the answer
5 0
3 years ago
There are 25 pineapples in a basket. Each pineapple weighs 100 grams. What is the total weight off all the pineapples in the bas
Lady_Fox [76]
The total weight is 2500 grams. 25 x 100 = 2500
5 0
3 years ago
Other questions:
  • . He has $75 in his checking account and has already spent $53.86 on food. Which inequality represents how much Jeremy has left
    10·1 answer
  • What fraction of a £1 is eighty pence
    12·2 answers
  • What is 1+1+1+1=<br><br> pls hurry
    12·2 answers
  • Erin covered a box with contact paper. the dimensions of the box are shown in the figure below, 9 inches, 11 inches, 8 inches. t
    6·2 answers
  • I need help with this quickly anybody. (no pictures)
    15·2 answers
  • Need some help with geometry not very good at it. <br><br><br> Can I have some help please?
    9·1 answer
  • Denis is looking to buy a new car. He can take a loan out for $12,000 with an interest rate of 4% for 5 years. How much would hi
    6·2 answers
  • PLEASE HELP!! Rational functions, find the sum
    8·1 answer
  • Brainliest if correct
    13·2 answers
  • Bro ? What is this ? Rocket science ? HELP ME PLSSS.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!