O Factorise the following expressions.
(i) p2 - q2
(ii) 4x2 - 25y2
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5
1. p² - q²
= (p + q)(p -q)
2. 4x² - 25y²
= (2x)² - (5y)²
= (2x + 5y)(2x - 5y)
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3
your answer was in the attachment go through it
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