find the third zero of a polynomial x cube + 7 x square - 2 x minus 14 is 2 of its zeroes are root 2 and minus root 2
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f(x) / (x^2 - 2) = (x+7)
=> Your third zero is -7
=> Your third zero is -7
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0
Answer:
x3+7x2-2x-14
(x+√√2)(x-√2)
x2-(√2)2
x2-2
divide the given polynomial by x2-3
you wikk get the quotient as x+7
now x+7=0
x=-7
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