stanleylebron5 stanleylebron5

31-03-2014
Mathematics

contestada

how to factor a2b2-1 or 144y2-49 can someome help me out on this please

Respuesta :

deathstrike001 deathstrike001

31-03-2014

a^2b^2-1

The factor of that is (ab-1)(ab+1)

144y^2-49

The factor of that is (12y-7)(12y+7)

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