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Factorise: 4a2 – 18a - 36. |
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Answer» Step-by-step explanation: 4a²-18a-36 4a²-24a+6a-36 4a(a-6)+6(a-6) (4a+6)(a-6) 4a+6=0 a-6=0 a=-6/4=-3/2 or a=6 a= -3/4 or 6 |
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