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Lena [83]
3 years ago
15

Simplify. (x−3)( x^2−4x−7)

Mathematics
2 answers:
Semmy [17]3 years ago
6 0
If you simplify (x-3)(x^2-4x-7)
answer: x^3-7x^2+5x+21
Shkiper50 [21]3 years ago
5 0

Answer:

Simplification of the expression (x−3)( x^2−4x−7) is x³ -7x² + 5x + 21 .

Step-by-step explanation:

As the expression given in the question be as follow .

=  (x−3)( x²−4x−7)

simplify the above

= x (x²-4x-7)-3 (x²-4x-7)

Now open the bracket

= x³ - 4x² -7x - 3x² + 12x + 21

= x³- 4x²-3x²-7x + 12x + 21

= x³ -7x² + 5x + 21

Thus the simplification of the expression (x−3)( x^2−4x−7) is x³ -7x² + 5x + 21 .

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The wingspan of a small plane is 7 meters. If there are approximately 3.28 feet in one meter, what is the wingspan of the plane
Neko [114]
The answer is 23 ...

Take 3.28 and add it to itself 6 more times to get 22.96
rounded up is 23 :) Hope I could be of assistance.
8 0
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Kay [80]

Answer:

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Step-by-step explanation:

If the trapezoid ABCD was able to translate 3 units to the left, we'll only need to calculate for all the input values!

Trapezoid in present:

A - -5

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Now move the units to the left!

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B - 2

C - 2

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Then add the y values into the units

A: (-8, -1)

B: (2, -1)

C: (2, 5)

D: (-6, 5)

*************************************************

7 0
3 years ago
A bouncy ball is dropped from a height of 16ft and always rebounds of the distance of the previous fall.
nika2105 [10]
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4 0
2 years ago
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ollegr [7]

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8 0
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