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Solution
A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression. Eg : In $$ax^2$$, coefficient is $$a$$
Expression : $$(x + 9)(8 - 5x)$$
= $$8x - 5x^2 + 72 - 45x$$
= $$-5x^2 - 37x + 72$$
$$\therefore$$ Coefficient of $$x$$ = -37
=> Ans - (C)
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