exam Maths Puzzle Numerical Ability

Solve.
x^2+4x+3>0

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exam Other Question

L has y-intercept (0,2) and is perpendicular to the line with equation 2x - 3y = 6 determine graphically the point of intersection between the lines defined by y=-2x+6 and 8=5x-y.

i have no idea how to do this so i coudnt show my work. sorry.