Chemistry, asked by 123GoIndia, 2 months ago

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Answered by gk0727736
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Answered by Anonymous
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Answer:-</p><p></p><p>\begin{gathered}\frac{ {x }^{2} - (x + 2)(x + 3) }{7x + 1} = \frac{2}{3} \\ \\ = &gt; \frac{ {x}^{2} - ( {x}^{2} + 5x + 6) }{7x + 1} = \frac{2}{3} \\ \\ = &gt; \frac{ {x }^{2} - {x}^{2} - 5x - 6 }{7x + 1} = \frac{2}{3} \\ \\ = &gt; \frac{ - 5x - 6}{7x + 1} = \frac{2}{3} \\ \\ = &gt; 3 \times (- 5x - 6) = 2 \times (7x + 1) \\ \\ = &gt; - 15x - 18 = 14x + 2 \\ \\ = &gt; 29x = - 20 \\ \\ = &gt; x = \frac{ - 20}{29}\end{gathered}7x+1x2−(x+2)(x+3)=32=&gt;7x+1x2−(x2+5x+6)=32 \\ =&gt;7x+1x2−x2−5x−6=32=&gt;7x+1−5x−6=32=&gt;3×(−5x−6)=2×(7x+1)=&gt;−15x−18=14x+2=&gt;29x=−20=&gt;x=29−20</p><p></p><p>Now verification</p><p></p><p>Putting the value of X</p><p></p><p>\begin{gathered}= &gt; \frac{ { \frac{ - 20}{29} }^{2} - { \frac{ - 20}{29} }^{2} - 5 \times \frac{ - 20}{29} - 6 }{7 \times \frac{ - 20}{29} + 1} = \frac{2}{3} \\ \\ = &gt; \frac{ \frac{ 100}{29} - 6 }{ \frac{ - 140}{29} + 1} = \frac{2}{3} \\ \\ = &gt; \frac{ \frac{100 - 174}{29} }{ \frac{ - 140 + 29}{29} } = \frac{2}{3} \\ \\ = &gt; \frac{ \frac{ - 74}{29} }{ \frac{ - 111}{29} } = \frac{2}{3} \\ \\ = &gt; \frac{ - 74}{ - 111} = \frac{2}{3} \\ \\ = &gt; \frac{74}{111} = \frac{2}{3} \\ \\ = &gt; \frac{37 \times 2}{37 \times 3} = \frac{2}{3} \\ \\ = &gt; \frac{2}{3} = \frac{2}{3} \\ \\\end{gathered} =&gt;7×29−20+129−202−29−202−5×29−20−6=32=&gt;29−140+129100−6=32=&gt;29−140+2929100−174=32=&gt;29−11129−74=32=&gt;−111−74=32=&gt;11174=32=&gt;37×337×2=32=&gt;32=32</p><p></p><p>Hence LHS = RHS verified

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