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Nadusha1986 [10]
3 years ago
9

Factor completely x3 − 6x2 − 5x + 30.

Mathematics
2 answers:
Gennadij [26K]3 years ago
8 0

Answer:

(x - 6) (x² - 5 )

Step-by-step explanation:

Lilit [14]3 years ago
4 0

Answer:

Step-by-step explanation:

x³ - 6x² - 5x + 30 = x³ - 6x² - 5x + 5*6

Take x² from first two terms and (-5) from third &  fourth term

= x²*(x - 6) - 5 (x - 6)

= (x - 6) (x² - 5 )

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How do you do this question?
bekas [8.4K]
<h3>Answer:   25/12</h3>

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Work Shown:

\displaystyle S_n = \sum_{k=1}^{n} \frac{1}{k}\\\\\\\displaystyle S_4 = \sum_{k=1}^{4} \frac{1}{k}\\\\\\\displaystyle S_4 = \frac{1}{1}+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}\\\\\\\displaystyle S_4 = \frac{12}{12}+\frac{6}{12}+\frac{4}{12}+\frac{3}{12}\\\\\\\displaystyle S_4 = \frac{12+6+4+3}{12}\\\\\\\displaystyle S_4 = \frac{25}{12}\\\\

Note: in step 3, I'm adding terms in the form 1/k where k ranges from k = 1 to k = 4 (k being an integer)

5 0
3 years ago
Stephanie said adding 79 and 92 is the same as adding 92 and 79. Is this correct?
Brilliant_brown [7]

Answer:

Yes it is.

Step-by-step explanation:

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4 0
3 years ago
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6 0
3 years ago
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7 0
3 years ago
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