Question

what is this answer????​

Answer 1

AnswEr:-

Your Answer is $\bf-\dfrac{171}{25}.$

ExplanaTion:-

Given:-

• p(x) = x² - 4x + 3.

To Evaluate:-

• p(2) - p(-1) + p(1/5).

So,

Let us first understand what does this p(2), p(-1) and p(1/5) mean?

This means that we have to put 2, -1 and 1/5 separately in place of given 'x' in the given p(x).

Now,

Let us find out the values of p(2), p(-1) and p(1/5) separately and then simplify it,

$\tt\mapsto p(2) = (2) {}^{2} - 4(2) + 3.$

$\tt = 4 - 8 + 3.$

$\tt = 7 -8 \rm(by \: using \:bodmas).$

$\bf = - 1.$

Similarly,

$\tt\mapsto p( - 1) = ( - 1) {}^{2} - 4( - 1) + 3.$

$\tt = 1 + 4 + 3.$

$\bf = 8.$

And,

$\tt\mapsto p( \dfrac{1}{5} ) = ( \dfrac{1}{5}) {}^{2} - 4( \dfrac{1}{5} ) + 3.$

$\tt = \dfrac{1}{25} - \dfrac{4}{5} + 3.$

$\tt = \dfrac{1 - 20 + 75}{25} \rm \: \: (by \: tak ing \:lcm).$

$\bf = \dfrac{54}{25} .$

Therefore,

$\tt\mapsto p(2) - p( - 1) + p( \dfrac{1}{5} ) = (- 1) - (8) + ( \dfrac{54}{25}).$

$\tt = \dfrac{ - 25 - 200 + 54}{25}. \: \: \rm(by \: taking \: lcm).$

$\tt = \dfrac{ - 225 + 54}{25}$

$\boxed{\bf = - \dfrac{171}{25} .}$

Therefore p(2) - p(-1) + p(1/5) = -171/25.

Answer 2

Answer:

YOUR ANSWER IS

-171/25

Step-by-step explanation:

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