4! • 3! = 144, hope this helps :)
147 is the fiftieth term just multiply 3 by 50 and subtract 3
9514 1404 393
Answer:
x = (ab +a +b +c)/(a +b)
Step-by-step explanation:
Eliminate parentheses, subtract left terms not containing x, divide by the coefficient of x.

2x^2+3
x=3
2(3)^2+3
2(9)+3
18+3
21 is the answer.
Answer:
x = 40 , y = 70
Step-by-step explanation:
y = 70°
x° = 180° - 2 × 70° = 40°