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	<title>Comments on: 1)(4х-1,6)(8+х)=02)х(5-0,2х)=03)(3х-2)(4+1/3х)=04)(2х+1,2)(х+1)(0,7х-0,21)=0</title>
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		<title>By: Беляев Юрий</title>
		<link>https://ukrreferat.com/questions/1-4h-1-6-8-h-02-h-5-0-2h-03-3h-2-4-1-3h-04-2h-1-2-h-1-0-7h-0-21-0#comment-854</link>
		<dc:creator><![CDATA[Беляев Юрий]]></dc:creator>
		<pubDate>Fri, 10 May 2019 00:00:12 +0000</pubDate>
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		<description><![CDATA[
&lt;p&gt;1) (4х - 1,6)(8 + х) = 0;&lt;/p&gt;
&lt;p&gt;4x - 1,6 = 0 или 8 + x = 0;&lt;/p&gt;
&lt;p&gt;4x = 1,6; x = - 8;&lt;/p&gt;
&lt;p&gt;x = 1,6 : 4 = 0,4.&lt;/p&gt;
&lt;p&gt;Ответ: - 8 или 0,4. &lt;/p&gt;
&lt;p&gt;2) х(5 - 0,2х) = 0;&lt;/p&gt;
&lt;p&gt;x = 0 или 5 - 0,2x = 0;&lt;/p&gt;
&lt;p&gt;5 = 0,2x;&lt;/p&gt;
&lt;p&gt;x = 5 : 0,2 = 25.&lt;/p&gt;
&lt;p&gt;Ответ: 0 или 25.&lt;/p&gt;
&lt;p&gt;3) (3х - 2)(4 + 1/3х) = 0;&lt;/p&gt;
&lt;p&gt;3x - 2 = 0 или 4 + 1/3x = 0;&lt;/p&gt;
&lt;p&gt;3x = 2;&lt;/p&gt;
&lt;p&gt;x = 2/3.&lt;/p&gt;
&lt;p&gt;1/3x = - 4;&lt;/p&gt;
&lt;p&gt;x = - 4 : 1/3 = - 4 * 3 = - 12.&lt;/p&gt;
&lt;p&gt;Ответ: 2/3 или - 12.&lt;/p&gt;
&lt;p&gt;4) (2х + 1,2)(х + 1)(0,7х - 0,21) = 0;&lt;/p&gt;
&lt;p&gt;2x + 1,2 = 0 или x + 1 = 0 или 0,7x - 0,21 = 0;&lt;/p&gt;
&lt;p&gt;2x = - 1,2;&lt;/p&gt;
&lt;p&gt;x = - 0,6.&lt;/p&gt;
&lt;p&gt;x = - 1.&lt;/p&gt;
&lt;p&gt;0,7x = 0,21;&lt;/p&gt;
&lt;p&gt;x = 0,3.&lt;/p&gt;
&lt;p&gt;Ответ: - 0,6 или - 1 или 0,3.&lt;/p&gt;
]]></description>
		<content:encoded><![CDATA[<p>1) (4х &#8211; 1,6)(8 + х) = 0;</p>
<p>4x &#8211; 1,6 = 0 или 8 + x = 0;</p>
<p>4x = 1,6; x = &#8211; 8;</p>
<p>x = 1,6 : 4 = 0,4.</p>
<p>Ответ: &#8211; 8 или 0,4. </p>
<p>2) х(5 &#8211; 0,2х) = 0;</p>
<p>x = 0 или 5 &#8211; 0,2x = 0;</p>
<p>5 = 0,2x;</p>
<p>x = 5 : 0,2 = 25.</p>
<p>Ответ: 0 или 25.</p>
<p>3) (3х &#8211; 2)(4 + 1/3х) = 0;</p>
<p>3x &#8211; 2 = 0 или 4 + 1/3x = 0;</p>
<p>3x = 2;</p>
<p>x = 2/3.</p>
<p>1/3x = &#8211; 4;</p>
<p>x = &#8211; 4 : 1/3 = &#8211; 4 * 3 = &#8211; 12.</p>
<p>Ответ: 2/3 или &#8211; 12.</p>
<p>4) (2х + 1,2)(х + 1)(0,7х &#8211; 0,21) = 0;</p>
<p>2x + 1,2 = 0 или x + 1 = 0 или 0,7x &#8211; 0,21 = 0;</p>
<p>2x = &#8211; 1,2;</p>
<p>x = &#8211; 0,6.</p>
<p>x = &#8211; 1.</p>
<p>0,7x = 0,21;</p>
<p>x = 0,3.</p>
<p>Ответ: &#8211; 0,6 или &#8211; 1 или 0,3.</p>
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