find the coefficient of x^3 and x^2 in the expansion (x-2)(x-3)(x+4)
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hey guys I am so confused sorry please marks as brainlist
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Answer: (x-2)(x-3)(x+4)
= (x^2-2x-3x+6)(x+4)
= (x^2-5x+6)(x+4)
= x^3+4x^2-5x^2-20x+6x+24
= x^3-x^2-14x+24
Coefficient of x^3 = 1
Coefficient of x^2 = -1
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