exam Maths Puzzle Numerical Ability

I need help solving: 7(over)x^2-7x+10 minus 3(over)x-5.

I need help solving: a(over)a^2-3a x a^2-9(over)6a.

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exam Other Question

Use elimination to solve each system of equations.

13a+5b=-11
13a+11b=7 A line passing through (4, 11) and (1, y) is parallel to a line with slope 2. What is the value of y?

Can someone show me how to work this problem out. Thanks