The answer is
-10=-15+5x
x = 1
Your answer would be the last option, (6x² - 5)(x² + 2).
This is because when you expand it, you get:
6x² × x² = 6x⁴
6x² × 2 = 12x²
-5 × x² = -5x²
-5 × 2 = -10
Which are all the correct terms.
I hope this helps!
Answer:
Rate of change of y is 
Step-by-step explanation:

Answer:
11.9440
Step-by-step explanation:
long division
Answer:
Looks right to me! Great work!