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01-01-2018
Mathematics

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01-01-2018

x²+5x+4 = 0
x = -5±✓(25-4*1*4)/2
x= -5±✓9 / 2
x= -5±3 / 2
x= -1 or -4

factored our equation looks like
(x+1)(x+4). that is our 2 factors

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