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Hatshy [7]
3 years ago
8

Find (x+3) (x^2 - 2x -8). Write answer in standard form

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
8 0

Answer:

x3+x2-14x-24

Step-by-step explanation:

Alex Ar [27]3 years ago
8 0

Answer:

x³ + x² - 14x - 24

Step-by-step explanation:

(x + 3) (x² - 2x - 8) =

= x(x² - 2x - 8) + 3(x² - 2x - 8)

= x³ - 2x² - 8x + 3x² - 6x - 24

= x³ + x² - 14x - 24

You might be interested in
H(x) = x + 1 k(x) = x - 2 (h + k)(2) =​
barxatty [35]

h(x) = x + 1

k(x) = x - 2

_________________________________

(h + k)(x) = h(x) + k(x)

(h + k)(x) = (x + 1) + (x - 2) \\

(h + k)(x) = x + 1 + x - 2

(h + k)(x) = 2x - 1

(h + k)(2) = 2(2) - 1

(h + k)(2) = 4 - 1

(h + k)(2) = 3

_________________________________

And we're done.....♥️♥️♥️♥️♥️

4 0
3 years ago
Use your shapes to create a new shape with an area of 1 square unit that is not a square. Trace your shape.
Elena-2011 [213]

A new shape with an area of 1 square unit that is not a square can be formed by combining two small triangles

<h3>How to determine the new shape?</h3>

The given parameters are:

  • Area of square = 1 square unit
  • Large triangles = 2
  • Medium triangles = 1
  • Small triangles = 4

The area of each small triangle is:

Area = 0.5 square unit

Multiply both sides by 2

2 * Area of triangle = 1 square unit

Substitute Area of square = 1 square unit

2 * Area of triangle = Area of square

This means that a new shape can be formed by combining two small triangles

Read more about area at:

brainly.com/question/24487155

#SPJ1

7 0
2 years ago
The data set is 7,8,10,11. How would the mean, median, and mode change if you added a 9 to the data set?
andrezito [222]
The mean would stay the same, the median would become 9, and the mode would stay the same.
3 0
3 years ago
The solution set of x^2 - 64 = O Is
k0ka [10]
X² -64=0 
    +64 

x²=64

√x=√64
x=8
5 0
3 years ago
Which word phrase can be used to represent the algebraic expression 3(5+n)
ikadub [295]

Answer: I hope this is what you meant :)

  • The sum of 5 and and unknown number is multiplied by 3
  • 3 multiplies  the sum of 5 and an unknown number.

Step-by-step explanation:

7 0
3 years ago
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