What is the sum of the given polynomials in standard form?(x2 – 3x) + (–2x2 + 5x – 3)

Combine like terms: the squared terms give x² − 2x² = −x², and the x-terms give −3x + 5x = 2x. The constant is −3, so the sum in standard form is −x² + 2x − 3, choice D.

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