document.write( "Question 131442This question is from textbook intermediate algebra
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document.write( ": 5. Factor completely:
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document.write( "8x^2 + 6x – 5
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Algebra.Com's Answer #95949 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 8x^2 + 6x – 5 \n" ); document.write( "8*-5=-40 \n" ); document.write( "What 2 factors of -40 when added equal 6? Ans: 10, -4 \n" ); document.write( "8x^2-4x+10x-5 Multiply those 2 numbers by x and replace +6x in the original equation with them (in either order!). \n" ); document.write( "=4x(2x-1)+5(2x-1) Factoring by grouping \n" ); document.write( "=(4x+5)(2x-1) \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |