Answer:
k=-5
Step-by-step explanation:
you can use Photomath to solve problems like these
Answer:
The correct option is C.
Step-by-step explanation:
Therefore options A, B, and D are incorrect.
The least common multiple of 3,5 and 10 would be 30.
Given polynomials:
21x³ and 28x^5
Factorise each term:
21x³ = 3 x 7 x x³
28x^5= 4 x 7 x x² x x³
So, greatest common factor = 7 x x³ =7x³
Answer: 7x³