Question

factorise (y-5)(y+3) +(y+3)​

Answer 1

Answer:

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

(y²+3y-5y-15)+(y+3)

y²-2y-15+y+3

y²-y-12

y²-4y+3y-12

y(y-4)+3(y-4)

(y-4)(y+3)

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Answer 2

Answer:

y²+3y-5y-15+y+3

y²-y-12

y²-4y+3y-12

y(y-4)+3(y-4)

(y+3) (y-4)

y=-3 or y = 4