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Lina20 [59]
2 years ago
9

X^3 - 2x^2 - 15x Factor completely ​

Mathematics
1 answer:
Schach [20]2 years ago
7 0

Answer: x(x−5)(x+3)

Step-by-step explanation:

:D

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If f(x) = -3x - 5 and g(x) = 4x - 2, find (f+ g)(x).
Stella [2.4K]

Answer:

\boxed{\sf x - 7}

Given:

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To Find:

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Step-by-step explanation:

\sf (f + g)(x) = f(x) + g(x) \\ \\   \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  =  - 3x - 5 + 4x - 2 \\  \\  \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  = 4x - 3x - 5 - 2 \\  \\  \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  = x - 5 - 2 \\  \\  \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  = x - 7

7 0
3 years ago
An English class consists of twenty students, and four are to be chosen to give speeches in a school competition.
NemiM [27]
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