Mathematics, 18.10.2019 22:00, milkshakegrande101

1. find the sum. (4n2 + 2n + 8) + (5n2 + n + 13)
a. 9n2 + 3n + 21
b. 9n4 + 3n2 + 21
c. 9n2 + 2n + 21
2. find the sum. (2x2 - 5x + 2) + (x2 - 2x + 5)
a. 3x2 - 7x + 7
b. 3x2 - 3x + 7
c. 2x2 + 3x + 7

Answers: 1

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1. find the sum. (4n2 + 2n + 8) + (5n2 + n + 13)
a. 9n2 + 3n + 21
b. 9n4 + 3n2 + 21