1 Дек 2019 в 19:41
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Ответы
1

To solve the equation, we need to simplify it step by step:

3/x + 2 - 3/2−x3/2 - x3/2x = 2/x^2 - 4

First, simplify the fractions:

3/x + 2 - 3/23/23/2 + x = 2/x^2 - 4

Next, combine like terms:

3/x+x3/x + x3/x+x - 3/23/23/2 = 2/x^2 - 2

Now, get a common denominator and combine terms:

3x+x23x + x^23x+x2/x - 3/2 = 2/x^2 - 2

Now, multiply both sides by x to get rid of the denominator:

3x + x^2 - 3x/2 = 2 - 2x

Simplify further:

2x + x^2/2 = 2 - 2x

Multiply through by 2 to clear the fraction:

4x + x^2 = 4 - 4x

Rearrange the equation to set it equal to 0:

x^2 + 8x - 4 = 0

Now we have a quadratic equation which can be solved using the quadratic formula:

x = −b±√(b2−4ac)-b ± √(b^2 - 4ac)b±(b24ac)/2a

Plugging in the values for a, b, and c:

x = −8±√(64+16)-8 ± √(64 + 16)8±(64+16)/2
x = −8±√80-8 ± √808±√80/2
x = −8±4√5-8 ± 4√58±4√5/2
x = -4 ± 2√5

Therefore, the solutions to the equation are:

x = -4 + 2√5
x = -4 - 2√5

19 Апр 2024 в 00:23
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