Question

x²-2x-15
factorise
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Answer 1

Step-by-step explanation:

x²-5x+3x-15

x(x-5)+3(x-5)

(x+3)(x-5)

values of x are -3 and 5

Answer 2

Answer:

x²-2x-15

x² + 3x - 5x -15

x(x+3) -5(x+3)

(x+3)(x-5)

x= -3 , 5