1.

200² tt2x2-4actorisation method

Answer»

2x^2+7/3 - 2x^2-4/2=4x^2+14-6x^2+12/6= 24-2x^2/6= 12-x^2/3=1/3{(2√3)^2-(x)^2}=1/3(2√3+x)(2√3-x)



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