Question

a) (x² - 5)² = b) (3x³ - 1)² =
c) (2x – 8 )² =

me ajudem por favoor ❤️​

Answer 1

$(x^2 - 5)^2 = (x^2)^2 - 2(x^2)(5) + 5^2 = x^4 - 10x^2 + 25 \\(3x^3 - 1)^2 = (3x^3)^2 - 2(3x^3)(1) + 1^2 = 9x^6 - 6x^3 + 1 \\(2x - 8)^2 = (2x)^2 - 2(2x)(8) + 8^2 = 4x^2 - 32x + 64$