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ipn [44]
3 years ago
6

Multiply. (x+9)(x−13)

Mathematics
2 answers:
Brrunno [24]3 years ago
6 0

Answer:

x^2 -4x-117

Step-by-step explanation:

(x+9) (x-13)

(x * x)+(-13x)+(9x)+(-117)

bogdanovich [222]3 years ago
5 0

2

−

4

−

1

1

7 there you go

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beks73 [17]

<u>Hello:</u>

<u />

<u>Okay, this problem should be taken in a series of steps</u>:

<u>What is the slope's formula?</u>

  \rm\hookrightarrow  \frac{y_2-y_1}{x_2-x_1}

  • (x₁,y₁) -- first point
  • (x₂,y₂) -- second point

<u>Okay, now let's use this knowledge</u>  

10. (5,-19) and (-5,21)

       Slope = \frac{21--19}{-5-5} =\frac{40}{-10}=-4

11. (12,1) and (12, -1)

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12. (8,7) and (4,7)

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<u>Answer:</u>

  • Question 10: -4
  • Question 11: undefined
  • Question 12: 0

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