it is given that -1 is one of the zeroes of the polynomial x^3+2x^2-11x-12
find all the zeroes of the given polynomial
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Answer:
value of x=-1
Step-by-step explanation:
(-1)^3+2(-1)^2-11(-1)-12
=(-1)+2-(-11)-12
=1-(-11)-12
=12-12
=0
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