Factories: 3x^3 - 17x^2 + 18x + 8
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→ 3x³-17x²+18x+8=0
=> 3x³-6x²-11x²+22x-4x+8=0
=> 3x² (x-2)-11x (x-2)-2 (x-2)=0
=> (3x^2-11x-2)(x-2)=0
→ 3x^2-11x-2=0 and x-2=0
→ 3x^2-11x-2=0 is factorise by quadratic formula .
hence
→ x=(11+√(145))/6, (11- √(145))/6, and 2
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