x^3+8x^2+9x-18
Factorise by splitting middle terms
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Answer:
x = 1,(-3),(-6)
Step-by-step explanation:
x³+8x²+9x-18
(x+6)(x²+3x-2x-3)
(x+6)(x²+x-3)
(x+6)(x+3)(x-1)
x= (-6),(-3),1
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