exam Maths Puzzle Numerical Ability

Good evening ma'am or sir would you please help me in solving this radical eqution:
-> 2(square root of)y + (square root of)y+1 = 5

Thank you very much!!!

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exam Other Question
In which quadrant does the following point lie?

(-3 , 5)

Find the slope of the line through (3,-4) and (1,2) m varies directly with n; m=144 when n=8