Question

$(2a - 4b) {}^{2}$
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Answer 1

Holla dear!!!...

Your answer goes here:-

$(2a - 4b) {}^{2}$

=(2a)²+(4b)² - 2×2a×4b

=4a²+16b²-16ab

HOPE IT HELPS!

Answer 2

question:(2a-4b)^2

here is your answer. ..

we need to factorise it by the following diagram.