1) a⁸ − b¹⁶ = (a⁴)² - (b⁸)² = (a⁴ - b⁸)(a⁴ + b⁸)2) (3a³ − 5b²) ⋅ (3a³ + 5b²) = (3a³)² - (5b²)² = 9a⁶ - 25b⁴4) −10(0,3p − t)² = -10(0.3²p² - 2 · 0.3p · t + t²) = -10(0.09p² - 0.6pt + t²) = = -0.9p² + 6pt - 10t²5) (2 − 1) ⋅ (2 + 1) ⋅ (2² + 1) ⋅ (2⁴ + 1) ⋅ (2⁸ + 1) − 2¹⁶ + 37 = = (2² - 1) ⋅ (2² + 1) ⋅ (2⁴ + 1) ⋅ (2⁸ + 1) − 2¹⁶ + 37 = = ((2²)² - 1²) ⋅ (2⁴ + 1) ⋅ (2⁸ + 1) − 2¹⁶ + 37 = = (2⁴ - 1) ⋅ (2⁴ + 1) ⋅ (2⁸ + 1) − 2¹⁶ + 37 = = ((2⁴)² - 1²) ⋅ (2⁸ + 1) − 2¹⁶ + 37 = = (2⁸ - 1) ⋅ (2⁸ + 1) − 2¹⁶ + 37 = = ((2⁸)² - 1²) − 2¹⁶ + 37 = = 2¹⁶ - 1 - 2¹⁶ + 37 = 366)
 ^{2} =( \frac{1}{16}*x ^{5} ) ^{2} -2* \frac{1}{16} * x^{5} * \frac{7}{8}+( \frac{7}{8} ) ^{2} = \\ )

 ^{2}-2*14* x^{5}+14 ^{2} }{256} = \frac{ (x^{5}-14) ^{2} }{256} \\ )
7) (x + 24y)² − (24x + y)² = x² + 2 · x · 24y + (24y)² - (24x)² - 2 · 24x · y - y² = = x² + 48xy + 576y² - 576x² - 48xy - y² = x² - 576x² - y² + 576y² = = - 575x² + 575y² = 575(y² - x²)