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Question Number 5082 by sandhapadarbinda@gmail.com last updated on 10/Apr/16
a^2 −b^2 =?
a2−b2=?
Answered by FilupSmith last updated on 11/Apr/16
difference of two squares a^2 −b^2 =(a+b)(a−b)
differenceoftwosquaresa2−b2=(a+b)(a−b)
Answered by Rasheed Soomro last updated on 11/Apr/16
a^2 −b^2 =a^2 +ab−ab−b^2 =a(a+b)−b(a+b) =(a+b)(a−b)
a2−b2=a2+ab−ab−b2=a(a+b)−b(a+b)=(a+b)(a−b)

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