1) 16а^ - (a+2) = 4(a-2)(a+2)2) 16х^4 - 1 = (4х^2 - 1)(4х^2 + 1) = (2x-1)(2x+1)(4x^2 + 1)3) x^(-x) - y^(-y) = 1/x^x - 1/y^y = (1^y - x^x) / x^x * y^y = (y^y - x^x) / x^x y^y
1) 16а^ - (a+2) = 4(a-2)(a+2)
2) 16х^4 - 1 = (4х^2 - 1)(4х^2 + 1) = (2x-1)(2x+1)(4x^2 + 1)
3) x^(-x) - y^(-y) = 1/x^x - 1/y^y = (1^y - x^x) / x^x * y^y = (y^y - x^x) / x^x y^y