Question

Factorise the following

Answer 1

${\huge{\blue\longrightarrow{\texttt{\orange A\red N\green S\pink W\blue E\purple R\red}}}}$

8pq = 2×2×2×p×q

20qr = 2×2×5×q×r

16s = 2×2×2×2×s

∴ 8pq+20qr-16s

= 2×2

= 4

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