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How can I get x from this? X2+3X+2=0

bumsoo_kim

by bumsoo_kim at December 22, 2011

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X2 + 3X + 2 = 0   x2 + 2x + 1x + 2= 0 x( x +2) (+1(x + 2)) = 0  (x+1)=0  and => x = -1 or (x+2)=0  =>  x= -2 so we see that x have two values at which this equation is correct. in this equation we can say that x must be equal to -1 or -2.

Ihtesham Ihtesham December 23, 2011

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