Jawabanmu

2014-08-31T19:32:02+07:00
16x4-81y4 = (4x²+9y²)(4x²-9y²)




1 4 1
2014-08-31T19:48:28+07:00
16x4-81y4=(4x^2+9y^2)(4x^2-9y^2)
1 5 1