x(b+c)+3(b+c) = (x+3)(b+c)
5/7 which means for every 7 kids, one owns a dog
<u><em>The answer:</em></u> 6x^3+18x
<u><em>The Explanation:</em></u> You need to uses distributive property to 6x to x^2+3 which will be 6x^3+18x
Answer:
1. 0
2. 130
3. − 9.9
sorry if am wrong