exam Maths Puzzle Numerical Ability

Please help I can not do this factoring.
Factor

6^2+29s-42

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exam Other Question

Using the numbers 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, find four consecutive numbers whose sum is one half the sum of the other eight numbers. Solve for x. Collect xs on the LEFT side. The solution should be presented with x first, the correct inequality symbol, then the number.
- 7x + 2 + x – 10 > -3(x – 1)