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Factorise this algebraic expression completely $(a^{2}+2a+1) - 4b^{2}$
in Grade 10 Maths by Silver Status (25.1k points) | 29 views

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factorize inside bracket first

=(a+1)(a+1) - 2^2.b^2   this is difference of 2 squares

= (a+1+2b)(a+1-2b)
by Diamond (85.5k points)

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