Factorise: (3 a+5 b)^2-4 c^2 - Vidyadip

Question

Factorise:
$(3 a+5 b)^2-4 c^2$

✓

Answer

$(3 a+5 b)^2-4 c^2$
$=(3 a+5 b)^2-(2 c)^2$
$=(3 a+5 b-2 c)(3 a+5 b+2 c)$

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