book Maths Puzzle Numerical Ability

What is the vertex of the parabola

F(x)= 4x^2 + 40x - 5

Line of symmetry of this function
y=3x^2 - 36x + 115

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book Other Question

ge=3y gh=7y - 4 and eh=24 what are the intercepts in this problem
x^2 + x -2