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lesantik [10]
3 years ago
8

A-b³pls tellli neeed​

Mathematics
2 answers:
polet [3.4K]3 years ago
3 0

Answer:

(a-b)³ = a³-a²b-2a²b+2ab²+b²a-b³

Step-by-step explanation:

(a-b)³ = (a-b)(a-b)(a-b)            <em>Expand</em>

(a²-2ab+b²)(a-b)                    <em>Use FOIL</em>

a³-a²b-2a²b+2ab²+b²a-b³    <em>Use FOIL again</em>

djverab [1.8K]3 years ago
3 0

Answer:

a-b³=a³-3a²b+3ab²-b³

hope it is helpful to you

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What is the difference between 20 and -60
zalisa [80]

Answer:

80

Step-by-step explanation:

The "difference" means the answer using subtraction. Subtract -60 from 20 to find the different between the two numbers.

20 - (-60)       When you have two minus signs, it become a plus sign.

= 20 + 60        Add

= 80        Difference between the numbers

Could you do it backwards? Subtract 20 from -60? Yes, but since the difference between two numbers will always be a <u>positive number</u>, you need to use absolute value symbols.

| -60 - 20 |        Do -60 -20 first

= | -80 |        Apply the absolute value of -80 (make the number positive)

= 80        Difference between the numbers

You do not have to put absolute value if you do 20 - (-60), but you can. For -60 -20, you must use them.

Therefore, the difference between 20 and -60 is 80.

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3 years ago
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For the answer to the question on what is the net pay if you are <span>40 hours worked, $7.85 an hour. Deductions: Federal tax $32.24, Social Security $24.02, Other.

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Marianna [84]

Answer:

The function has a domain of all real numbers.

The function has a range of {y|–∞ < y <∞ }.

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Step-by-step explanation:

Given:

f(x)=-∛x

domain is set of all values that x can take for which the function is defined, so

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