Question

If 3 Is a zero of polynomial x square +2x-a find the value of a and the other zero

Answer 1

Substituting the value of x = 3 in the equation we get,

(3^2) + (2 * 3) - a = 0

9 + 6 - a = 0
a = 15

Answer 2

Step-by-step explanation:

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