exam Maths Puzzle Numerical Ability

[1/(a^5b]- [5/(ab^3)]

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exam Other Question

Find the intercepts and then use them to graph the equation.

y= -5-5x
Can you please tell me if this is figured right?

Simplify: ( x/x^2 – 9 ) – ( x/x^2 + 2x – 15 )

(1 - 9) - (3x - 15)
-8 - - 12
-8 + 12
= 4