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Doss [256]
4 years ago
14

(9r³ + 5r² + 11r) + (-2r³ + 9r - 8r²) Help

Mathematics
1 answer:
choli [55]4 years ago
6 0
9r^3 - 2r^3 + 5r^2 - 8r^2 + 11r + 9r = 7r^3-3r^2 +20r

7r^3-3r^2 +20r = r(7r^2 -3r +20)
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