exam Maths Puzzle Numerical Ability

Geometry. The volume of the box is represented by(x2 + 5x + 6)(x + 5) . Find the polynomial that represents the area of the bottom of the box. (x + 2) is the height of the box.

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exam Other Question

I was able to use the quadratic calculator for some of the problems, but this one I do not think I can:
Solve by using the quadratic formula:
x^2 = 5x - 5

Please help! Thank you Useing the PEMEDS expesssion, (Please, excuse, my dear, aunt sally)

Simplify

1. 2+3*5^2-7

2. 6+3[(12/4)+5]

3. (4/2)+4(5-2)^2

4. -8-81/9*2^2+7