Question

Make a factor tree of the following expressions:
x⁸-81

Answer 1

Answer:

x^8-81

=(x^4)^2-(9)^2

=(x^4+9)(x^4-9)

=(x^4+9){(x^2)^2-(3)^2}

=(x^2+9)(x^2+3)(x^2-3)