Write the zeroes of the polynomial x
2
–x – 4.
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x2 - x - 4
x2 -2x+2x - 4 (Splitting of the middle term)
x(x - 2) + 2(x - 2)
(x+2) (x-2)
So -2 and 2 are the zeros of the given polynomial.
x2 -2x+2x - 4 (Splitting of the middle term)
x(x - 2) + 2(x - 2)
(x+2) (x-2)
So -2 and 2 are the zeros of the given polynomial.
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