exam Maths Puzzle Numerical Ability

Hello Tutor,

I was hoping you could help me with this problem.

Solve the following quadratic equation by completeing the square:

2x^2 + 10x + 11 = 0

Any help this evening on this problem would be appreciated. Thank you.

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exam Other Question

Can someone explain to me what are some challenges about working with rational expressions? What are some strategies to develope to overcome these challenges. the solution of line m are (3,3), (5,5), (15,15), (34,34), (678,678), and (1234,1234)