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Factoriser A=(2x-3)(2x-3)-(x-2)(x-2)
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Factoriser
A=(2x-3)(2x-3)-(x-2)(x-2)

User Charisa
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(2x-3)(2x-3)-(x-2)(x-2)
= (2x-3)^2 - (x-2)^2 <— Difference of Squares
= [(2x-3)+(x-2)]•[(2x-3)-(x-2)]
= (3x-5)(x-5)
= 3x^2-15x-5x+25
= 3x^2-20x+25
User Anfuca
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