Find the coefficient of x in x(x-7) (3x+5)
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Find the coefficient of x in x(x-7) (3x+5)
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Answer:
= (x^2 -7x)(3x+5)
= (x^2 -7x)(3x+5)= (3x^3+5x^2-21x^2-35x)
= (x^2 -7x)(3x+5)= (3x^3+5x^2-21x^2-35x)= 3x^3 - 16x^2-35x
= coefficient of x is -35
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