exam Maths Puzzle Numerical Ability

3x^2-x-4
THANK YOU!!!

Read Solution (Total 0)

exam Other Question

Subtract and write in simplest form:

12 10
---- - ----
z z

I believe the answer is:
2
---
z^2

Is this correct? Thank you
The question in my homework is:
Write the answer using positive exponents only
[2x5y^-4/3y^-2]^2

I know I need to flip to make them positive but have been wracking my brain trying to figure out where to go from there