give give me the answer of this question it is for 9th class NCERT question of chapter 2
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If x + a is a factor of p(x), then,
X = -a
After that, substitute the value of x in the polynomial,
p(x) = x^3 + ax^2 - 2x + 4
p(-a) = -a^3 + a^3 + 2a = -4
p(-a) = 2a^3 + a = -2
As you can see, now the equation becomes easier. I think you can solve it by yourself now.
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