document.write( "Question 387083: solve the quadratic equation by factoring: 15x^2-2x-8=0 \n" ); document.write( "

Algebra.Com's Answer #273606 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,         
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document.write( "solving the quadratic equation by factoring: 
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document.write( "  15x^2-2x-8=0
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document.write( "(5x -4)(3x +2)= 0 Note:SUM of the inner product(-12x) and the outer product(10x) = -2x
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document.write( " (5x -4)(3x +2)= 0
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document.write( " (5x -4)= 0
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document.write( "     x = 4/5
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document.write( "  (3x +2)= 0
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document.write( "     x = -2/3 \n" );
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