# factorise x(x+2)(x+4)+4x+8

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### x(x+2)(x+4)+4x+8=0

### x(x^2+4x+2x+8)+4x+8=0

### x^3+6x^2+8x+4x+8=0

### x^3+6x^2+12x+8=0

### x^2(x+6)+4(3x+2)=0

### (x^2+4)(x+6)(3x+2)=0

### (x^2+4)=0,(x+6)=0,(3x+2)=0

## x=-2,2,-6,-2/3

### hopes helps you dear friend

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