exam Maths Puzzle Numerical Ability

simplify:
(2+i)squared - (3+i)

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exam Other Question

Solve the inequality

y > -2x

Hlep with this equation would be appreciared:)
Write the equation of the line L satisfying the given geometric conditions.


L has y-intercept (0,-3)and is parallel to the line with equation
y=2/3x+1

please show work and equation