Question

Factories:y(x+y)-(1+x)​

Answer 1

Answer:

$(y - 1)(x + y + 1)$

Step-by-step explanation:

$y(x + y) - 1(1 + x)$

Lets expand it.

$= > xy + {y}^{2} - x - 1$

Lets re-arrange it.

$= > xy - x + {y}^{2} - 1$

Lets split ${y}^{2} - 1$

So,

$= > x(y - 1) + (y + 1)(y - 1)$

$= > (y - 1)(x + y + 1)$

Answer 2

Answer:

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