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Fynjy0 [20]
3 years ago
13

Find f(3) given f(x) = -3x^3 + 2x^2 + 24 A. 123 B. -39 C. 69 D. 99

Mathematics
1 answer:
otez555 [7]3 years ago
8 0
The correct answer is d
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The tree grows 3,14 centimeters per year

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Peggy has twice as many apples as kiwis, and three times as many pears as apples. How many pears does she have, if she has 72 ap
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Suppose the salaries of six employees are $3000,
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4 years ago
What is the factored form of 8x^24-27y^6
zalisa [80]

Factoring:  8x^{24}-27y^6  


Theory : A difference of two perfect cubes,  a^3-b^3 can be factored into

             (a-b)*(a^2+ab+b^2)


Proof :  (a-b)*(a^2+ab+b^2)=

           a^3+a^2b+ab^2-ba^2-b^2a-b^3=

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           a^3+0+0+b^3=

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Check :  8  is the cube of  2  


Check :  27  is the cube of   3  

Check :   x^{24} is the cube of    x^8


Check :  y^6 is the cube of    y^2


Factorization is :

            (2x^8 - 3y^2)*(4x^{16} + 6x^8y^2 + 9y^4)

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4 years ago
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