document.write( "Question 71233: 1) Using the quadratic equation x2 – 4x – 5 = 0, perform the following tasks:
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document.write( "a) Solve by factoring.
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document.write( "b) Solve by using the quadratic formula.
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Algebra.Com's Answer #50969 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! X^2-4X-5=0 \n" ); document.write( "(X-5)(X+1)=0 \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( "---------------------------------------------- \n" ); document.write( "X=(4+-SQRT[-4^2-4*1*-5])/2*1 \n" ); document.write( "X=(4+-SQRTR[16+20])/2 \n" ); document.write( "X=(4+-SQRT36)/2 \n" ); document.write( "X=(4+-6)/2 \n" ); document.write( "X=(4+6)/2 \n" ); document.write( "X=5 ANSWER \n" ); document.write( "X=(4-6)/2 \n" ); document.write( "X=-2/2 \n" ); document.write( "X=-1 ANSWER \n" ); document.write( " \n" ); document.write( " |