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27x3 + 9x2 + 3x + 1 =
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A. (3x + 1)(9x2 + 1) |
|---|
| B. 3x(3x + 1)2 |
| C. (3x + 1)3 |
| D. 3x(9x2+1) |
| E. (3x + 1)(3x − 1) |
| F. (9x2 + 1) + (3x + 1) |
[ 3-5384 - op net sinds 23.11.12-(E)-3.11.2023 ]
Translation in E N G L I S H
Oplossing - Solution
1ste manier :
27x3 + 9x2 + 3x + 1 = 9x2(3x + 1) + (3x + 1) = (9x2 + 1)(3x+1)
2de manier :
27x3 + 9x2 + 3x + 1 = 27x3 + 3x + 9x2 + 1 = 3x(9x2 + 1) + (9x2 + 1) = (3x + 1)(9x2 + 1)
