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## Homework Statement

Solve for x

Q1. 4x^2-9=0

Q2. x^2+11x+28=0

Q3. x^2+4x+3=0

Q4. 2y^2+y-1=0

Q5. 6x^2-x-1=0

## Homework Equations

What are non-monic and monic equations?

How do I use the "Completing the square method"?

Could you please show me the working out you did?

## The Attempt at a Solution

N/A

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Thanks for the help