factorise the following: y²-2y-15
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Answer:
Step-by-step explanation:
y²-2y-15
y²-5y+3y-15
y(y-5)+3(y-5)
(y+3)(y-5)
factors are (y+3) and (y-5)
Answered by
3
y²-2y-15
y²-5y+3y-15
y(y+3)-5(y+3)
(y-5)(y-3)
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