What is the product?(x − 3)(2x2 − 5x + 1)

Mathematics

2 answers:

svetlana [45]3 years ago

8 0

Answer:

The product of $(x-3)(2x^{2}-5x+1)$ is $2x^{3}-11x^{2}+16x-3$

Step-by-step explanation:

$(x-3)(2x^{2} -5x+1)=x(2x^{2} -5x+1) - 3(2x^{2} -5x+1)$

$=>(x-3)(2x^{2}-5x+1)=2x^{3}-5x^{2}+x-6x^{2}+15x-3$

$=>(x-3)(2x^{2}-5x+1)=2x^{3}-11x^{2}+16x-3$

Thus the product of $(x-3)(2x^{2}-5x+1)$ is $2x^{3}-11x^{2}+16x-3$

slavikrds [6]3 years ago

3 0

2x^3-11x^2+16x-3

the answew is above^^^^^^^^^^^^^

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How many 5-member chess teams can be chosen from 15 interested players? Consider only the members selected, not their board posi

ryzh [129]

<u>Answer</u>:

3003 number of 5-member chess teams can be chosen from 15 interested players.

<u>Step-by-step explanation:</u>

Given:

Number of the interested players = 15

To Find:

Number of 5-member chess teams that can be chosen = ?

Solution:

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter. To calculate combinations, we will use the formula $nCr = \frac{n!}{r!(n - r)!}$

where

n represents the total number of items,

r represents the number of items being chosen at a time.

Now we have n = 15 and r = 5

Substituting the values,

$15C_5 = \frac{15!}{5!(15- 5)!}$

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