exam Maths Puzzle Numerical Ability

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Find the zeros of the following functions:

f(x)=x^4+6x^3+11X^2+12x+18

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exam Other Question

Please help,

Solve the following system of linear inequalities by graphing

x+y<5
0≤y≤3
x≥1

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JMS solve homogeneous system of equations

x - 2y + 3z = 0
3x - 7y - 4z = 0
4x - 4y + z = 0

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