Question

Simplify. ( X+1)(x+2)(x+4)

Answer 1

(x²+2x+x+2)(x+4)
=( x²+ 3x + 2)(x+4)
=x³+3x²+2x+4x²+12x+8
=x³+7x²+14x +8

Answer 2

(x+1)(x+2)(x+4)=(x+1)x+(x+1)2×(x+4).
=(x^2+x+2x+2)(x+4)
=(x^2+3x+2)(x+4)
=(x^2+3x+2)x+(x^2+3x+2)4
=x^3+3x^2+2x+4x^2+12x+8
=x^3+7x^2+14x+8
this is your answer
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