document.write( "Question 1124476: { { { (4x+3)^-2 = (49/16)^-1 } } } \n" ); document.write( "

Algebra.Com's Answer #740789 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"1%2F%284x%2B3%29%5E2=16%2F49\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"1%2F%284x%2B3%29%5E2=%284%2F7%29%5E2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%284x%2B3%29%5E2=%287%2F4%29%5E2\"$ *\r
\n" ); document.write( "\n" ); document.write( " $\"4x%2B3=0%2B-+7%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x=-3%2B-+7%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=-3%2F4%2B-+7%2F16\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=-12%2F16%2B-+7%2F16\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"system%28highlight_green%28x=-19%2F16%29%2Cor%2Chighlight_green%28x=-5%2F16%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "*
\n" ); document.write( "--------mistake made here---------------------------------\r
\n" ); document.write( "\n" ); document.write( " $\"cross%284x%2B3=0%2B-+sqrt%287%29%2F2%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x=-3%2B-+sqrt%287%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"cross%28x=-3%2F4%2B-+sqrt%287%29%2F8%29\"$
\n" ); document.write( "---------------------------------------------------------- \n" ); document.write( "

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