exam Maths Puzzle Numerical Ability

Tutor: I am having difficulty with this problem: How do I subtract this:

4x+1/25x^2+15x+2 minus 3x-2/30x^2+11x+1


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exam Other Question
Write an equation for the parabola whose vertex is at (-8,4) and passes through (-6,2). Expand the following

log (cuberoot(m^2))

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