document.write( "Question 1033628: What is y = (x + 3)2 + (x + 4)2 rewritten in vertex form?\r
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Algebra.Com's Answer #648286 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! y = (x+3)^2 + (x+4)^2 \n" ); document.write( "y = x^2 + 6x + 9 + x^2 + 8x + 16 \n" ); document.write( "y = 2x^2 + 14x + 25 \n" ); document.write( "y = 2(x^2 + 7x) + 25 \n" ); document.write( "Now complete the square... \n" ); document.write( "Half of 7, squared, is 49/4...so we add that and subtract it giving us \n" ); document.write( "y = 2(x^2 + 7x + 49/4) + 25 - 49/2 \n" ); document.write( "y = 2(x + 7/2)^2 + 1/2 \n" ); document.write( " |