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  • Foreverlovemex3 07 minutes ago

    factor : x^2-169


  • arun

    x^2-169=0 , x^2-13^2=0 , (x-13)(x+13)=0 , now (x-13)=0 and (x+13)=0 , x= 13 and x= -13


  • iwqgtsqr

    1



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