Question

factorise using factor theorwm y^2-2y-15

Answer 1

Answer:

y²- 5y+3y-15

y(y-5) +3(y-5)

(y-5)(y+3)

y=5,(-3)

Answer 2

Step-by-step explanation:

${y}^{2} - 2y - 15 \\ {y}^{2} - 5y + 3y - 15 \\ y(y - 5) + 3(y - 5) \\ (y + 3)(y - 5)$

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