exam Maths Puzzle Numerical Ability

I NEED TO KNOW HOW 2 CIRCLE THE TERMS!

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exam Other Question

Solve equation:

a^3=a
How do I work this problems?
PROBLEM:1
-2[4-3(x+5)]>4(2-x)

PROBLEM:2
-2(x-2)=2[x-4(x-2)+x]