Question

factorise
(3-2x)(3+2x)​

Answer 1

$3 {}^{2} - (2x) {}^{2} \\ 9 - 4x {}^{2}$

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

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Answer 2

Answer:

Step-by-step explanation:

(3-2x)(3+2x)

3(3+2x)-2x(3+2x)

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

9-4x^2