Question

Factorise the following: Y 2 + 9Y + 9 + Y

Answer 1

Answer:

$y {}^{2} + 9y + 9 + y = 0 \\ {y}^{2} + 10y + 9 = 0 \\ {y}^{2} + 9y + 1y + 9 = 0 \\ y(y + 9)1(y + 9) \\ (y + 1)(y + 9) \\ y = - 1 \\ y = - 9$

Step-by-step explanation:

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