Correct answer is 6... NOT 7...
Answer:
x = −
1
, 2
√
3
/3
, and −
2
√
3
/3
Step-by-step explanation:
3x^3+3x^2-4x-4=0
By factoring, I can get simpler equations to get the roots.
x + 1 = 0, or x = -1
√
3 x + 2 = 0, or −
2
√
3
/3
√
3 x - 2 = 0, or 2
√
3
/3
Answer:
21
Step-by-step explanation:
factors of 42: 1,42, 2,<u>21</u>, 3,14, 6,7
factors of 63: 1,63, 3,<u>21</u>, 7,9