Guide :Middle School

x(x+4)=x^+4x

X(x+4)=x^+4x for how many values of x is x(x+4) equal to x^+4x? 0 1 2 all
1(1+4)=1^(4*1)5=1 No2(2+4)=2^(4*2)12=256 No3(3+4)=3^(4*3)21=531441 NoNone ...

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