document.write( "Question 942126: Factor the trinomial, or state that the trinomial is prime.\r
\n" ); document.write( "\n" ); document.write( "x2 - 8x - 9 \n" ); document.write( "
Algebra.Com's Answer #574282 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
xx - 8x - 9 = 0
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\n" ); document.write( "the above quadratic equation is in standard form, with a=1, b=-8 and c=-9
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\n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:
\n" ); document.write( "1 -8 -9
\n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php
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\n" ); document.write( "the quadratic has two real roots at:
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\n" ); document.write( "x = 9
\n" ); document.write( "x = -1
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\n" ); document.write( "answer:
\n" ); document.write( "(x - 9)(x + 1)
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\n" ); document.write( "Solve quadratic equations with quadratic formula:
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
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