Answer:
a^4+3a^2-3b^2
Step-by-step explanation:
![\hookrightarrow \: (2 {a}^{2} - b)(3 {a}^{2} + 3b) \\ \hookrightarrow \:2 {a}^{2} (3 {a}^{2} + 3b) - b(3 {a}^{2} + 3b) \\ \hookrightarrow \:6 {a}^{4} + 6 {a}^{2} b - 3 {a}^{2} b - 3 {b}^{2} \\ \hookrightarrow \:{a}^{4} + 3 {a}^{2} b- 3 {b}^{2}](https://tex.z-dn.net/?f=%20%5Chookrightarrow%20%5C%3A%20%282%20%7Ba%7D%5E%7B2%7D%20%20-%20b%29%283%20%7Ba%7D%5E%7B2%7D%20%20%2B%203b%29%20%5C%5C%20%20%5Chookrightarrow%20%5C%3A2%20%7Ba%7D%5E%7B2%7D%20%283%20%7Ba%7D%5E%7B2%7D%20%20%2B%203b%29%20-%20b%283%20%7Ba%7D%5E%7B2%7D%20%20%2B%203b%29%20%5C%5C%20%20%5Chookrightarrow%20%5C%3A6%20%7Ba%7D%5E%7B4%7D%20%20%2B%206%20%7Ba%7D%5E%7B2%7D%20b%20-%203%20%7Ba%7D%5E%7B2%7D%20b%20-%203%20%7Bb%7D%5E%7B2%7D%20%5C%5C%20%20%20%5Chookrightarrow%20%5C%3A%7Ba%7D%5E%7B4%7D%20%20%2B%203%20%7Ba%7D%5E%7B2%7D%20b-%203%20%7Bb%7D%5E%7B2%7D)
3 ounces of 80-proof rum approximately contains 200,000 cal.
Now, we need to convert the cal into kcal. We know that:
1 cal = 1000 kcal
Therefore,
200,000 cal = 200 kcal
The <span>metric unit of weight.</span>
Answer:
1:3
Step-by-step explanation:
3 divide 3 1
9 divide 3 3
Answer:
31 + x
Step-by-step explanation:
1) 1 + 10 × 3 + x
2) 1 + 30 + x
3) 31 + x