plzzzz solv it fast
find the coefficient of x^2 x in the product of (x-3)(x+7)(x-4)
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(x-3)(x+7)(x-4)
=(x^2-3x+7x-21)(x-4)
=(x^2+4x-21)(x-4)
=x^3+4x^2-21x-4x^2-16x+84
=x^3-37x+84
therefore coeff of x^2 is 0
hope this helps:p
=(x^2-3x+7x-21)(x-4)
=(x^2+4x-21)(x-4)
=x^3+4x^2-21x-4x^2-16x+84
=x^3-37x+84
therefore coeff of x^2 is 0
hope this helps:p
but answer is 0;-3
* -37
not 3
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