Question

factors of
${4a}^{2} - 9 =$
​

Answer 1

Answer:

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

Step-by-step explanation:

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