exam Maths Puzzle Numerical Ability

solve and check please..

32-2(5-2^2)=45x

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exam Other Question

Find the vertex, the line of symmetry, and the maximum or minimum value of f(x).
f(x)=1/4(x+7)^2+3
Vertex is ? (type an ordered pair)
Line of symmetry is ?
Maximum/minimum value of f(x)
Is the vlue f(-7)=3 a minimum or maximum? Complete the given table of values

y = -x^2 - 2x

Thanks!