11-5x-6x² shouldn't we rearrange the terms and then find the answer?

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Solution

If you want you can make it -(6x ² +5x-11)
Nad factorise -(6x ² -6x+11x-11)
= -[6x(x-1)+11(x-1)]
= -[(x-1)(6x+11)]
Now you can take the - inside one of the brackets
= (1-x)(6x+11)

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