Question

find using identity (y-6) (y-9)​

Answer 1

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Find using identity :-

(y - 6) (y - 9)

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Identity used in this Answer :-

$(x - a)\: (x - b) = {x}^2 - (a + b)x + ab$

$\huge\star\green{Solution :-}$

$(x - a) (x - b) = {x}^2 - (a + b)x + ab$

$(y - 6) (x - 6) = {y}^2 - (6 + 9)y + 6×9$

$(y - 6) (x - 6) = {y}^2 -15y + 54$

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Answer 2

Answer:

(x−a)(x−b)=x

2

−(a+b)x+ab

(y - 6) (x - 6) = {y}^2 - (6 + 9)y + 6×9 (y−6)(x−6)=y

2

−(6+9)y+6×9

(y - 6) (x - 6) = {y}^2 -15y + 54 (y−6)(x−6)=y

2

−15y+54