Question

factorise the following using appropriate identities y²-y-12​

Answer 1

Answer:

Y=4 or y= -3

Step-by-step explanation:

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Answer 2

Answer:

Given:         y²- y- 12​

⇒           y²+ 3y - 4y - 12

⇒           y( y + 3) - 4( y + 3)

⇒           (y - 4)(y + 3)

∴ So there will be two values of y = 4 and -3.

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