Question

factorise the trinomials. 1. x²-9x-10
2. b²-11b+24
3. x²+x-72
4. p²-10p-39
5. x²+12x+36
6.x²+5x-89
7. x²-x-12
8.m²+10m-600
9.x²-9x+20
10.x²-x-56
11. x²+x-12
12.x²+13x+36

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Answer 1

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Answer 2

question number 6 is incorrect because 89 is a prime number

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