Answer:
Step-by-step explanation:
The function must be factorable.
For example, x^2 + x - 6= 0 factors to (x + 3)(x - 2) = 0 so the roots are -3 and 2.
x^2 + x - 7 = 0 will not factor so you need another method to solve this.
Answer: answers down below in the picture
lol i tried my best placing the dots and labeling .. sorry.. if you don't understand pls let me know
Use the binomial theorem:

The <em>x</em> ³ terms occurs for 5 - <em>k</em> = 3, or <em>k</em> = 2, and its coefficient would be

Answer:
yes he is correct
Step-by-step explanation:
10000x0.05=500 so thats correct
he will pay 500 for 20 month= 10,000
Answer:
3
Step-by-step explanation:
9's factor is 1, 3, 9.
and 15's factor is 1, 3, 5, 15.
so, the answer is 3.