exam Maths Puzzle Numerical Ability

Factor each of the following polynomials completely:
-3s^2 - 10s +8

I am having a hard time with this problem and need some help. Thanks.

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exam Other Question

Give the sum p+q where p/q is the reduced fraction represented by the repeating decimal 2.1. 9. Find the slope, if it exists, of the line containing the pairs of points.
(3,2) and (8,-9). The slope m=
10. Solve: 5/4x + 1/8x = 5/8 + x
The solution is X=.
12: Train A an