book Maths Puzzle Numerical Ability

Solve the following inequalities:

a) x^3 < 8

b) x^3-x^2-9x+9 > 0

c) 2x^2-3x+1 / x+1 >0

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book Other Question

simplify the following algebraic expression

Multiply: (2s +5z)^2(s + 3z)^2
Simplify the following. (-3w^2n)(2n^2)^4