Question

$4 {x}^{2} - 12x + 9$
factorise ​

Answer 1

Step-by-step explanation:

4x² - 12x + 9

= 4x² - 6x-6x + 9

=2x(2x-3)-3(2x-3)

=(2x-3)(2x-3)

=(2x-3)²

Answer 2

Step-by-step explanation:

4x^2 - 12x + 9

=4x^2 - 6x - 6x + 9

=2x(2x-3) -3(2x-3)

=(2x-3)(2x-3)

x = 3/2,3/2

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