document.write( "Question 204139: I want to know if I should apply the quadratic eqution formula to this problems:
\n" ); document.write( "x^2 +3 - 15 =0 and x^2 + x+ 4=0. I' asking so that I'll understand what example to follow in my book , you don't have to work it out. I'm just tired of turnoing in my work with the wrong solutions and answers just because I have need to know what example to follow and where to look. I've had it with being wrong and frustrated about all of this.
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Algebra.Com's Answer #154090 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
the discriminant of a quadratic tells you if the equation is factorable\r
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\n" ); document.write( "\n" ); document.write( "(b^2 - 4ac) is the discriminant\r
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\n" ); document.write( "\n" ); document.write( "if the value is a positive perfect square, then the quadratic is factorable
\n" ); document.write( "if not, you need to use the quadratic formula
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