book Maths Puzzle Numerical Ability

I need help on how to get the answer to this equation: Y=(2xÙ2 + 4x + 1)Ù5

and the answer they gave was y= 20(2x +4x +1)Ù4(x+1), do you think there was a typo somewhere??

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book Other Question
directions: graph the equation. label three key points on the graph.

y=2|x-4|-1

thank you simlify and show steps to answer

25-1/y^2 divided by 5-1/y