Factorise: 100-(x-5)^2 - Vidyadip

Question

Factorise:
$100-(x-5)^2$

✓

Answer

$100-(x-5)^2$
$(10)^2-(x-5)^2$
$=(10+x-5)(10-x+5)$
$=(5+x)(15-x)$

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