Question

x power 4 - 5 x square + 4​

Answer 1

Answer:

Step-by-step explanation:

x^4 -5x^2 +4

x^4 -4x^2 - x^2 +4

x^2(x^2 - 4) - (x^2 - 4)

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

now, as we know, a^2 - b^2 = (a+b)(a-b)

(x^2 + 1)(x^2 - 1)(x^2 + 2)(x^2 - 2)