Sari is factoring the polynomial 2x2+5x+3. If one factor is (x+1), what is the other factor?

Divide the polynomial by the known factor, or check which choice multiplies by (x+1) to give 2x²+5x+3. The product (x+1)(2x+3) is 2x²+2x+3x+3 = 2x²+5x+3. So the other factor is 2x+3, choice B.

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