Question

What number should be added to the polynomial x^2+7x-35,so that3 is the zero of polynomial

Answer 1

Answer:

5

Step-by-step explanation:

${x}^{2} + 7x - 35$

$= {3}^{2} + 7 \times 3 - 35$

$= 9 + 21 - 35$

$= - 5$

Therefore,

5 must be added to the equation

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