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| 1. |
Simplify 81x¹² - 256y¹² |
| Answer» (9x^6 )^2 -(16y^6)^2(9x^6+16y^6)(9x^6-16y^6)(9x^6+16y^6)[(3x^3)^2-(4y^3)^2](9x^6+16y^6)(3x^3+4y^3)(3x^3-4y^3) | |