Question
Factorise: $49p^2- 36$
✓
Answer
$49p^2– 36 = (7p)^2- (6)^2$
Now using identity, $a^2- b^2= (a - b)(a + b),$
$= (7p - 6)(7p + 6)$
This is the required factorisation.
Now using identity, $a^2- b^2= (a - b)(a + b),$
$= (7p - 6)(7p + 6)$
This is the required factorisation.
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