Factorisation

Factorisation of 4x^2-9y^2+4x+1 is as follows: =4x^2+ 4x + 1 – 9y^2 =(2x+1)^2 – 9y^2 (Using property (a+b)^2 = a^2 + 2ab + b^2) =(2x+3y+1)(2x-3y+1) (Using property a^2 – b^2 = (a-b)(a+b))

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