Answer:
THE ANSWER IS A
Step-by-step explanation:
CORRECT IF I WRONG
2x^3y+18xy-10x^2y-90y
= 2xy(x^2 + 9)- 10y(x^2 + 9)
= (x^2 + 9)(2xy - 10y)
= (x^2 + 9) 2y(x - 5)
= 2y (x^2 + 9) (x - 5)
84 is no less than 7 times K, 84 divided by 7= 12,
K=12
The answer is <span>-1.2917960675</span>
