Question

Multiply. (y-1)(y+8)

Answer 1

Answer:

Step-by-step explanation:

On multiplying,

$y^{2} +8y-y-8$

$y^{2}+7y-8$

Answer 2

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$= > (y -1 )(y + 8) \\ \\ = > y(y + 8) - 1(y + 8) \\ \\ = > {y}^{2} + 8y - y - 8 \\ \\ = > {y}^{2} + 7y - 8$

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