Respuesta:
c) 7x
d)-100x
Explicación paso a paso:
N=3x²+12x-5x-20-3x²+20
N= 12x-5x-20+20
N= 12x-5x
N= 7x
HALLA A.C SI:
A=x(x+10)-x²
A= x²+10x-x²
A=10x
C=5x(x-2)-5x²
C=5x²-10x-5x²
C=-10x
A.C= 10X*-10X
A.C= -100X
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Respuesta:
c) 7x
d)-100x
Explicación paso a paso:
N=3x²+12x-5x-20-3x²+20
N= 12x-5x-20+20
N= 12x-5x
N= 7x
HALLA A.C SI:
A=x(x+10)-x²
A= x²+10x-x²
A=10x
C=5x(x-2)-5x²
C=5x²-10x-5x²
C=-10x
A.C= 10X*-10X
A.C= -100X