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( x - 11 ) ( x +4) = 0 ( tiene 2 soluciones)
x -11 = 0
x = 11
o
x +4 = 0
x = -4
Solucion( 11 , -4 )
x²-7x-44=0
(x-11)(x+4)=0
x-11=0 x+4=0
x=11 x= -4