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Factor. A) x^2-4x+3 B)x^2+5x-24
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We have given
factorise 3 as 3.1
`=(x-3)(x-1)` ( brackets are equal so factor out )
`we write 24=8xx3`
in bracket we take minus because last term has minus sign.
`=(x+8)(x-3)` (brackets are same so factor out)
Posted by pramodpandey on April 27, 2013 at 12:13 PM (Answer #1)
`A)` `x^2-4x+3` find soluton of `x^2-4x+3=0`
`Delta= 16-4(3)=4>0` has two solution
`x=(4+-sqrt(4))/2=(4+-2)/2` `x_1=3` `x_2= 1`
The poliniom is decomponed in:
Posted by oldnick on April 27, 2013 at 11:59 PM (Answer #3)
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