document.write( "Question 600838: if 3x^2 - 4x + 7 = 0, then (x - 2/3)^2 = ??? \n" ); document.write( "

Algebra.Com's Answer #379507 by mananth(16946) $\"\"$ $\"About$

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if 3x^2 - 4x + 7 = 0, then (x - 2/3)^2 = ???\r
\n" ); document.write( "\n" ); document.write( "divide by 3
\n" ); document.write( " $\"x%5E2-%284%2F3%29x+%2B%287%2F3%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( "Complete the square by adding 4/9 on both sides\r
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\n" ); document.write( "\n" ); document.write( " $\"x%5E2-2%281%29%282%2F3%29+%2B4%2F9+%2B%287%2F3%29=4%2F9\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%28x-%282%2F3%29%29%5E2%2B7%2F3+=+4%2F9\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x-%282%2F3%29%29%5E2=+-7%2F3+%2B4%2F9\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+%28x-%282%2F3%29%29%5E2=+%28-21%2B4%29%2F9\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%28x-%282%2F3%29%29%5E2=%28-17%2F9%29\"$ \r
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