How to easily identify the x intercepts of a polynomial function | f(x) = x^3 + 2x^2 − 9x − 18

グループ化による因数分解を使用して 3 次方程式 x^3-2x^2+9x-18=0 を解く

x^3+〖2x〗^2-9x - 18=0 を解きます。

Using the Factor theorem, show that (i) (x-2) is a factor of x^(3)-2x^(2)-9x+18. Hence factorise...

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Q229 | Factorise x^2+9x+18 | Factorise x2+9x+18 | Factorise x square + 9x + 18 | x square + 9 x + 18

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