Factorise completely. $$\[ 16 a-4 a^{2} \]$$ .............................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_w21_qp_43 Year：2021 Question No：4(d)

Answer:

$4 a(4-a)$ final answer

E2.2.2 Use brackets and extract common factors.

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