document.write( "Question 172648: how do you solve the equation X^2 +2x-3 \n" ); document.write( "
Algebra.Com's Answer #127508 by Alan3354(69443)\"\" \"About 
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how do you solve the equation X^2 +2x-3
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\n" ); document.write( "There are several methods. 3, anyway. I'll assume it's equal to zero, tho it doesn't say that. An \"equation\" gets its name from the \"equal\" sign, something is equal to something else. x^2 +2x-3 is not an equation, it's an expression, specifically a trinomial.
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\n" ); document.write( "Anyway, assuming it's equal to zero:
\n" ); document.write( "One method is to factor it:
\n" ); document.write( "x^2 +2x-3 = 0
\n" ); document.write( "(x+3)*(x-1) = 0
\n" ); document.write( "If the product is zero, one or both have to be zero. Right?
\n" ); document.write( "If x+3 = 0, then x=-3
\n" ); document.write( "If x-1 = 0, then x=+1
\n" ); document.write( "x can't be both, so it's either -3, or it's +1.
\n" ); document.write( "Those are the possible answers.
\n" ); document.write( "x = 1
\n" ); document.write( "x = -3\r
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