exam Maths Puzzle Numerical Ability

Hello, I am in deep need of help. I am suppose to use the sqrt property to solve equation.
(a-2)^2=8
Thanks for anyone that can help.

Read Solution (Total 0)

exam Other Question

Simplify: No negative exponents and no decimal answers.
(27a^3b^2c^5/45a^4c^2)^3
h=5 i=5

(4h-i)^2