exam Maths Puzzle Numerical Ability

8a squared minus 4ab plus 6ac minus 3bc

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exam Other Question

a3/2b3c5
-------- /a2b5/3d1/2=
a2b1/3
Hello, I am having trouble answering this question. Can someone please help?

8 * 5 + 36 - 2*(44 - 2 * 3)

Thanks