Question

factorise the following:
4a²-36​

Answer 1

Answer:

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Answer 2

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factorise the following:

4a²-36

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$4 {a}^{2} - 36$

$4 {a}^{2} - 36 = 0$

$4 {a}^{2} = 36$

${a}^{2} = \frac{36}{4}$

${a}^{2} = 9$

$a = \sqrt{9}$

$a = 3$

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