if 1 and -2 are two zeros of the polynomial (x cube -4x square -7x +10), find its third zero.
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Answer:-5
Step-by-step explanation:
=>x-1 is a factor
Another quadratic factor is
x^2-3x+10.
By midterm factorization
=(x-2)(x+5)
=>x=2,-5
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if 1 and -2 are two zeros of the polynomial (x cube -4x square -7x +10), find its third zero.if 1 and -2 are two zeros of the polynomial (x cube -4x square -7x +10), find its third zero.if 1 and -2 are two zeros of the polynomial (x cube -4x square -7x +10), find its third zero.
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