To find: zeroes of polynomial p(x)=x^2-x-6
solution:
given:
p(x)=x^2-x-6
factors of 6 = 3, 2
p(x) = x^2-x-6
= x^2 -(3-2)x-6
= x^2-3x+2x-6
= x(x-3)+2(x-3)
= (x-3)(x+2)
for zeroes of polynomial, put p(x) = 0
hence, x = 3, -2
Answer = Zeroes of polynomial x^2-x-6 are 3, -2.
Author:
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