15 (y + 3) (y2 – 16) ÷ 5 (y2 – y – 1)
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Answer:
30y^2+ -18y + 192
Step-by-step explanation:
15 (y + 3) (y2 – 16) ÷ 5 (y2 – y – 1)
(15y+45) (2y + -16) ÷ (10y + -5y + -5)
15y(2y + -16) + 45(2y + -16) ÷ (10y + -5y + -5)
(30y^2 + -240 + 90y + -720)/(10y -5y -5)
(30y^2+ 90y + -960)/(5y-5)
30y^2+ -18y + 192
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