How do you simplify #(x-2)(x+4)(x+6)#?

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Answer 1 · 2016-11-12T16:45:39

#x^3+8x^2+4x-48#

#[(x-2)(x+4)]##(x+6)#

#[x(x+4)-2(x+4)]##(x+6)#

#[x^2+4x-2x-8]##(x+6)#

#[x^2+2x-8]##(x+6)#

#x(x^2+2x-8)+6(x^2+2x-8)#

#x^3+2x^2-8x+6x^2+12x-48#

#x^3+8x^2+4x-48#