If 3 Is a zero of polynomial x square +2x-a find the value of a and the other zero
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Substituting the value of x = 3 in the equation we get,
(3^2) + (2 * 3) - a = 0
9 + 6 - a = 0
a = 15
(3^2) + (2 * 3) - a = 0
9 + 6 - a = 0
a = 15
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