factorise the following x4-5x2+4
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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)
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