document.write( "Question 662770: Xsquared+ 3x= 180 \n" ); document.write( "

Algebra.Com's Answer #412626 by ReadingBoosters(3246) $\"\"$ $\"About$

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x^2 + 3x = 180
\n" ); document.write( "x^2 + 3x - 180 = 0
\n" ); document.write( "(x- )(x+ ) mixed signs due to + 3 and - 180
\n" ); document.write( "(x-12)(x+15)
\n" ); document.write( "x-12=0, so x=12
\n" ); document.write( "x+15=0, so x=-15
\n" ); document.write( "(-15,12) \n" ); document.write( "

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