Question 9 • (AG Q2) Keystone Algebra 1 Block: 26-27(DDiamond)
Multiply each term: (2x)(x²) = 2x³, (2x)(x) = 2x², and (2x)(−2) = −4x. The remaining products are 3x², 3x, and −6; combine like terms to get 2x³ + 5x² − x − 6. This matches choice C.
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