Question

factorise:- 4y²-12y+9​

Answer 1

Answer:

$= 4y {}^{2} - 12y + 9 \\ = 4y {}^{2} - 6y - 6y + 9 \\ = 2y(2y - 3) - 3(2y - 3) \\ = (2y - 3)(2y - 3).$

Answer 2

4y²–6y–6y+9

=2y(2y-3)–3(2y–3)

= (2y–3)(2y–3)

= (2y–3)²

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