Answer:
Step-by-step explanation:
Apply sum of cubes formula:
3100.00
Answer:(f*g)(x)= 21x^2 -29x -10
(3x-5)(7x+2)
21x^2-35x+6x-10
21x^2-29x-10
30
60/40=3/2
105/40+x = 3/2
105/70=3/2
x=70-40 = 30