Question

factorise these.........

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

13. x²+6x-4x-24

x(x+6)-4(x+6)

(x+6)(x-4)

14. x²-9x+6x-54

x(x-9)+6(x-9)

(x-9)(x+6)

15. a²-4a-3a+12

a(a-4)-3(a-4)

(a-4)(a-3)