exam Maths Puzzle Numerical Ability

Q1. (x-1)(x-2)(x^2-9x+14)/(x-7)(x^2-3x+2)

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exam Other Question

Are the following lines parallel, perpendicular, or neither?
L1 with equation x-2y+10
L2 with equation 2x+y=2 how do you solve x-3y=6