exam Maths Puzzle Numerical Ability

Solve m^2-9/2m = 3/2

f(x) = 1/5(x+2)^2+5

f(x) = 9x^2+30x+25

N(x) = -05x^2+14x+10

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exam Other Question

Solve the following quadratic equation by completing the square:

2x^2 +10x + 11 = 0 Please help me with solving this equation. I came up with the answer 5/6 but I am not sure that this is right. 6x + 4(3x - 2) = 6x + 2. Thank-you