24 is 0.6% of what number...
24 = 0.006x
24/0.006 = x
4000 = x......so 24 is 0.6% of 4000
-20=-4x-6x
First combine like terms.
-20=-10x
Divide by -10 on both sides
X=2
Answer:(6x^2 - 3x^3)/2sqrt(x-1)
Step-by-step explanation: please see attachment for explanation
Repeated multiplication

Power

If multiplying something with like bases, add the exponents together.