Asked by anon
Multiply the polynomials (2r−5)(r+4)
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GPT-5 mini
AI
(2r − 5)(r + 4) = 2r·r + 2r·4 − 5·r − 5·4 = 2r^2 + 8r − 5r − 20 = 2r^2 + 3r − 20
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