Use synthetic division to solve open paren x cubed minus x squared minus 17 x minus 15 close paren divided by open paren x minus 5 close paren What is the quotient?

For division by x − 5, use 5 in synthetic division with the coefficients 1, −1, −17, −15. The resulting quotient coefficients are 1, 4, 3, with remainder 0, so the quotient is x² + 4x + 3, choice D.

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