document.write( "Question 72881This question is from textbook College Algebra
\n" );
document.write( ": I need help solving quadratic equations by factoring. The question I need help on is not listed in my book. \n" );
document.write( "
Algebra.Com's Answer #52109 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! X^2-4X=5 \n" ); document.write( "X^2-4X-5=0 \n" ); document.write( "(X-5)(X+1)=0 [IF YOU MULTIPLY THESE TWO TERMS YOU GET (X^2-5X+X-5) NOW COMBINING LIKE TERMS YOU GET X^2-4X-5. THE 4X DIDNT DISAPPEAR IT JUST GOT FACTORED INTO (-5X & X WHICH = 4X) \n" ); document.write( "X-5=0 \n" ); document.write( "X=5 ANSWER. \n" ); document.write( "X+1=0 \n" ); document.write( "X=-1 ANSWER. \n" ); document.write( " |