(x + 2)2, x2 + 4x + 4, x2 - 4x + 4, (x + 2)(x - 2), x2 + 4, (x - 3)2, x2 - 9, x2 - 3x + 9, x2 - 6x + 9, x2 + 9, (x + 5)2, x2 - 10x + 25, x2 + 25, x2 + 10x + 25, x2 - 25, x2 - 36, (x + 6)2, (x - 6)2, (x + 18)(x - 18), (x+ 6)(x - 6), x2 - 81, (x + 9)(x - 9), (x - 9)2, (x + 9)2, (x - 80)(x + 1), 9x2 + 6x + 1, (3x - 1)2, (3x + 1)2, (3x+1)(3x - 1), (4x + 1)(4x - 1), 4x2 - 25, (2x - 5)2, (2x + 5)2, (2x - 5)(2x + 5), (4x + 5)(4x - 5), (3x+ 5)2, 9x2 + 25, 9x2 + 30x + 25, 3x2 + 30x + 25, (3x+ 5)(3x - 5), x2 - 1, (x - 1)2, (x + 1)2, (x+ 2)(x - 1), (x + 1)(x - 1), (4x + 3)2, 16x2 + 24x + 9, 8x2 + 24x + 9, 16x2 + 9, 16x2 + 7x + 9, (5x + 1)(5x - 1), 5x2 - 1, 10x2 - 1, (5x - 1)2, 25x2 - 1, (√3x+2)2, 3x2 + 4√3x + 4, 3x2 + 2√3x + 4, 3x2 + 4, 3x2 - 4, (x/2+ y/3)2, x2/4 + y2/9, x2/2 + y2/3, x2/4 + xy/3 + y2/9, x2 + xy/6 + y2/9, (√3x - √2y)2, 3x2 - 2√6xy + 2y2, 3x2 - 2y2, 3x2 + 2√6xy + 2y2, 3x2 - 2√5xy + 2y2, (x + y + 1)2, x2 + y2 + 1, x2 + y2 + 2, x2 + y2 + 2xy + 1, x2 + y2 + 1 + 2xy + 2x + 2y.

Formule de calcul prescurtat

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