Factorize completely x3 3x2-10x2x2-8 - JAMB Mathematics 2010 Question
| Factorize completely | x3+3x2-10x |
| 2x2-8 |
A
| x(x-5) |
| 2(x+2) |
B
| x(x-5) |
| 2(x-2) |
C
| x(x+5) |
| 2(x+2) |
D
| x2+5 |
| 2x+4 |
correct option: c
| x2 + 3x2 |
| 2x - 8 |
| = | x(x2+3x10) |
| 2(x2-4) |
| = | x(x+5)(x-2) |
| 2(x2-2 2) |
| = | x(x+5)(x-2) |
| 2(x-2)(x+2) |
| = | x(x+5) |
| 2(x+2) |
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