Question

factorise the following x4-5x2+4​

Answer 1

Answer:

=(x^2)^2 -5(x^2)+4

=(x^2-4)(x^2-1)

=(x^2-2^2)(x^2-1^2)

=(x-2)(x+2)(x+1)(x-1)

Answer 2

QUESTION:

4x - 5*2 + 4

Answer:

Factors of 4x = 4, 2, 1 and x

Factors of -10 (-5*2 is simplified) = 1, -2, and -5

Factors of 4 = 4, 2 and 1