exam Maths Puzzle Numerical Ability

Solve the quadratic equation using the Quadratic Formula:
3x^2-2x-2=0

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exam Other Question

I need to know how to write a proof for the following:
Given- Line DE is parallel to line BC. BOth lines are inside a triangle. Angle 1=angle 2. angle 1 and 2 are both on line DE. perform the multiplication then simplify each radical expression

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