exam
Maths Puzzle
Numerical Ability
-x2-5x-6x, x=-3 and x=-2
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exam Other Question
factor all polynomials completely
6d2+33d-63
1-8m6
4a2-4ab-y2+b2
16y4-z4
The solution of the system 4x+5y =2 and 6x-2y=b is (3,a). Find the values of a and b.
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