Which expression is equal to the polynomial below?2x4 + 5x3 – 8x – 20

Group the first two terms and the last two terms: 2x⁴ + 5x³ − 8x − 20 = x³(2x + 5) − 4(2x + 5). Both groups share the factor (2x + 5), so choice B is equal to the polynomial.

AI-written and checked against the verified answer.