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by Guest » Fri Dec 22, 2023 2:08 am
Factor:
2abc+2bcd-c²d-b²d-ac²-ab².
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Guest
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by Guest » Sat Dec 23, 2023 11:48 pm
(2abc +2bcd) -[tex](ac^{2 } +c^{2 }d) -(a b^{2 } +b^{2 }d)[/tex]=
=2bc(a+d) -[tex]c^{2 }[/tex](a+d) -[tex]b^{2 }[/tex](a+d) =
=(a+d)[ -([tex]c^{2 } -2bc+b^{2 } ) ][/tex]=
= -(a+d)[tex](b-c)^{2 }[/tex]
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Guest
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by Guest » Sat Dec 23, 2023 11:48 pm
(2abc +2bcd) -[tex](ac^{2 } +c^{2 }d) -(a b^{2 } +b^{2 }d)[/tex]=
=2bc(a+d) -[tex]c^{2 }[/tex](a+d) -[tex]b^{2 }[/tex](a+d) =
=(a+d)[ -([tex]c^{2 } -2bc+b^{2 } ) ][/tex]=
= -(a+d)[tex](b-c)^{2 }[/tex]
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