Question

find the zeros of x square -5x +4

Answer 1

Hello !
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Polynomial = x² - 5x + 4 
                  = x² -4x - x + 4 
                  = x(x-4) -1(x-4) 
                  = (x-4) (x - 1) 
                  => x = 4 or 1 

Answer 2

so x is 4 or 1 hope this will help u