document.write( "Question 77032: (10x2-5x+13)+(5x2-2x+10) \n" ); document.write( "

Algebra.Com's Answer #55190 by checkley75(3666) $\"\"$ $\"About$

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10X^2-5X+13
\n" ); document.write( "5X^2-2X+10
\n" ); document.write( "------------------------------
\n" ); document.write( "15X^2-7X+23
\n" ); document.write( "USING THE QUADRATIC EQUATION WE GET:
\n" ); document.write( "X=(7+-SQRT[-7^2-4*15*23])/2*15
\n" ); document.write( "X=(7+-SQRT[49-1380])/30
\n" ); document.write( "X=(7+-SQRT-1331)/30
\n" ); document.write( "X=(7+-36.48i)/30
\n" ); document.write( "X=(7+36.48i)30
\n" ); document.write( "X=7/30+36.48i/30
\n" ); document.write( "X=.2333+1.216i ANSWER
\n" ); document.write( "X=.2333-1.216i ANSWER \n" ); document.write( "

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