Solve: (x-4 y)^2-625 - Vidyadip

Question

Solve:
$(x-4 y)^2-625$

✓

Answer

$(x-4 y)^2-625$
$=(x-4 y)^2-25^2$
$= [(x - 4y) - 25][(x - 4y) + 25]$
$= (x - 4y - 25)(x - 4y + 25)$

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