Question

(x-1)(x+4) factorise
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Answer 1

Answer:

(x-1)(x+4)

x²+4x-x-4

x(x+4)-1(x+4)

(x-1). (x+4)

x=1. x=-4

Answer 2

Answer: (x-1) (x-4)

             X(x-4) -1(x-4)

             x²-4x-x+4

             x²-5x+4

Step-by-step explanation: hope nit will help