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2010-03-29T01:21:38+02:00
(x-6)² +(x+6)² + (2x+3)(2x-3)= x²-12x+36+x²+12x+36+4x²-9 = 6x²+63
16 1 16
2010-03-29T01:22:30+02:00
(x-6)² +(x+6)² + (2x+3)(2x-3) = x² - 12x + 36 + x² + 12x + 36 + 4x²- 9=
= 6x² + 63
1 5 1
2010-03-29T01:24:21+02:00
(x-6)² +(x+6)² + (2x+3)(2x-3)=x²-12x+36+x²+12x+36+4x²-9=2x²+72+4x²-9=
6x²+63
1 5 1