pls.help me solve the following quadratic equation by factoring:
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document.write( "Multiply the
in front by the
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document.write( "getting
. So we write down\r\n" );
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document.write( "as the only way to find two factors of
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document.write( "Next look at the sign of the last term
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document.write( "on the left. It is
so beside
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document.write( "we write the sum
, and what it equals,
:. \r\n" );
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document.write( "We observe that the absolute\r\n" );
document.write( "value of the coefficient of the middle term on the left of\r\n" );
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is
so we replace the
by\r\n" );
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, so\r\n" );
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becomes\r\n" );
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document.write( "Now place the
on the left of the
as\r\n" );
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document.write( "Us the distributive property to multiply out
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document.write( "as
. So now we have:\r\n" );
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document.write( "Out of the first two terms on the left ONLY,
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document.write( "we can factor out
, getting
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document.write( "Out of the last two terms on the left ONLY,
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document.write( "we can factor out
, getting
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document.write( "[Notice when the first of the last two terms begins\r\n" );
document.write( "with a \"-\" sign, always take out a \"-\" term, which\r\n" );
document.write( "will invariably change the sign of the second term.]\r\n" );
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document.write( "So we have\r\n" );
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document.write( "Now we take out the parentheses
as a\r\n" );
document.write( "common factor and leave the
and the
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document.write( "to put inside parentheses, like this:\r\n" );
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document.write( "Noqw we use the zero-factor principle where we \r\n" );
document.write( "set each factor = 0:\r\n" );
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document.write( "So the solution set is
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document.write( "That's just the first one. If I have time I will come back\r\n" );
document.write( "and finish the rest. So check this site later, for I will\r\n" );
document.write( "probably do some more.\r\n" );
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document.write( "Edwin
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