exam Maths Puzzle Numerical Ability

The Last problem for the summer

25^(x+2)=5^(3x-4)

I think you take like 5 out and make 5 5
so then its 5x+2=3x-4 then maybe 2x=-2 then divide by two so x is negative one but i think its wrong any help guys?

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exam Other Question

Solve: (2x^2 + 4x)/(x^2+4x-12) + (3x^2-2)/(x^2+2x-24) = (3x^3-4x)/(x^2-x-12) Identify the axis of symmetry, create a suitable table of values and sketch the graph...

1. y=x^2-5x+3

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