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3 years ago

2x^2 - 5x +4=0 what is the solution

Mathematics

1 answer:

NeTakaya3 years ago

7 0

Answer

x = 3.13745860… , − 0.63745860 …

Step-by-step explanation:

thats decimal form

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80 customers per hour

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3 years ago

What’s the mean of the data set 17,24,26,13

igor_vitrenko [27]

Answer:

Step-by-step explanation:

To find the mean, add up all the numbers in the data set, and then divide by the number of terms in the data set

Add up the numbers in the data set

17+24+26+13

<em>Divide </em>

Divide by the number of terms in the data set

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3 years ago

Read 2 more answers

Claire Judice

Julli [10]

Answer:

The values of 'x' are -1.2, 0, 0, $-4i$ or $4i$ .

Step-by-step explanation:

Given:

The equation to solve is given as:

$5x^5+6x^4+80x^3+96x^2=0$

Factoring $x^2$ from all the terms, we get:

$x^2(5x^3+6x^2+80x+96)=0$

Now, rearranging the terms, we get:

$x^2(5x^3+80x+6x^2+96)=0$

Now, factoring $5x$ from the first two terms and 6 from the last two terms, we get:

$x^2(5x(x^2+16)+6(x^2+16))=0\\x^2(x^2+16)(5x+6)=0$

Now, equating each factor to 0 and solving for 'x', we get:

$x^2=0\\x=0\ and\ 0\\\\5x+6=0\\x=\frac{-6}{5}=1.2\\\\x^2+16=0\\x^2=-16\\x=\sqrt{-16}=\pm 4i$

There are 3 real values and 2 imaginary values. The value of 'x' as 0 is repeated twice.

Therefore, the values of 'x' are -1.2, 0, 0, $-4i$ or $4i$ .

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