Question

using the formula : (x +2) (x -3) (x -4)​

Answer 1

Answer: $x^{3}-5x^{2}  -2x+24$

Step-by-step explanation:

$(x+2)(x-3)(x-4)\\=[x(x-3)+2(x-3)](x-4)\\=(x^{2} -3x+2x-6)(x-4)\\=(x^{2} -x-6)(x-4)\\=x^{2} (x-4)-x(x-4)-6(x-4)\\=x^{3}-4x^{2}  -x^{2} +4x-6x+24\\=x^{3}-5x^{2}  -2x+24$

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