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3 years ago

Evaluate the expression x3-(3+x)2 for x=4

Mathematics

2 answers:

Alexus [3.1K]3 years ago

4 0

Answer:

Answer is 15

Step-by-step explanation:

${x}^{3} - {(3 + x)}^{2} \\ given \: value \: of \: x = 4 \\ {4}^{3} - {(3 + 4)}^{2} \\ = 64 - {7}^{2} \\ = 64 - 49 \\ = 15$

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Sphinxa [80]3 years ago

4 0

Answer:

Step-by-step explanation:

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(_2/3)(Raised to power 3) multiplied by (_3/2)(raised to power 2)

Irina18 [472]

Answer:

$\frac{-2}{3}$

Step-by-step explanation:

From the given question,

$(\frac{-2}{3} )^{3}$ x $(\frac{-3}{2} )^{2}$

Applying the required principle of indices to solve the question, we have;

$(\frac{-2}{3} )^{3}$ x $(\frac{-3}{2} )^{2}$ = $\frac{(-2)^{3} }{3^{3} }$ x $\frac{(-3)^{2} }{2^{2} }$

= $\frac{-8}{27}$ x $\frac{9}{4}$

= $\frac{-72}{108}$

= $\frac{-2}{3}$

Thus, the final answer is $\frac{-2}{3}$ .

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Answer:

Step-by-step explanation:

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