Factorise x^3-23x^2+14x-120
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✅✅x3-23x2+142x-120
=x²-12x+[-10x] +120
=x[x-12]-10[x-12]
=[x-10][x-12]
therefore the factors of x3-23x2+142x-120 are:
✔✔[x-1][x-10][x-12]
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