Let be an identity in x. Then the number ab equals:
- -246
- -210
- -29
- 210
- 246
So…
a + b = 35 | |
2a + b = 29 | |
a = -6 | → b = 41, and ab = -246. The answer is (a). |
Let be an identity in x. Then the number ab equals:
So…
a + b = 35 | |
2a + b = 29 | |
a = -6 | → b = 41, and ab = -246. The answer is (a). |