please help me to do this math
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-1+2+4 Is 5 I think it is right
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hiii mate
hope this help you
(x-1)(x+2)=x²+2x-x-2
=x²+x-2
x(x+4)=x²+4x
x²+x-2=x²+4x
x²-x²+x-4x-2=0
-3x-2=0
-(3x+2)=0
3x+2=0
hope this help you
(x-1)(x+2)=x²+2x-x-2
=x²+x-2
x(x+4)=x²+4x
x²+x-2=x²+4x
x²-x²+x-4x-2=0
-3x-2=0
-(3x+2)=0
3x+2=0
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