Question

factorise the 3a-9 taking out the highest common factor​

Answer 1

Answer:

$3a-9= \red{3}(a-3)$

Step-by-step explanation:

$Given \: expression \: 3a - 9$

$3a = \red {3} a$

$9 = \red {3} \times 3$

$common \: factor = \red {3}$

$HCF (3a,9) = \red {3}$

$3a-9= \red{3}(a-3)$

Therefore.,

$3a-9= \red{3}(a-3)$

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