document.write( "Question 636051: Find the discriminant and determine the number of real solutions then solve.\r
\n" ); document.write( "\n" ); document.write( "x^2-2x+10=0 & Simplify: 7+2i/4+i
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Algebra.Com's Answer #400691 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "ax^2 +bx + c = 0
\n" ); document.write( "x^2-2x+10=0 \"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "discriminant
\n" ); document.write( "\"+sqrt%28+b%5E2-4%2Aa%2Ac+%29\"
\n" ); document.write( "\"+sqrt%28+4-4%2A1%2A10+%29\"
\n" ); document.write( "\"+sqrt%28+-36+%29\"
\n" ); document.write( "\"+sqrt%28+%28-1%29-36+%29\" || i^2 = -1
\n" ); document.write( "\"+sqrt%28+%28i%5E2%29-36%29\" = ± 6i , NO real solutions, Note: parabola will NOT cross x-axis
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\n" ); document.write( "\n" ); document.write( "Simplify:
\n" ); document.write( "\"%287%2B2i%29%2F%284%2Bi%29\" || multiplying both numerator and denominator by conjugate (4-i). Note: i^2 = -1
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