verification of xsquare-3x-4=0
find zeros of polynomial
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x² - 3x - 4 = 0
x² - 4x + x - 4 = 0
x(x - 4) + 1(x - 4) = 0
(x - 4) (x + 1) = 0
x - 4 = 0 => x = 4
x + 1 = 0 => x = -1
Therefore, 4 and -1 are zeroes of the given polynomial.
x² - 4x + x - 4 = 0
x(x - 4) + 1(x - 4) = 0
(x - 4) (x + 1) = 0
x - 4 = 0 => x = 4
x + 1 = 0 => x = -1
Therefore, 4 and -1 are zeroes of the given polynomial.
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