find the value of k for which x=-2 is a root of the quadratic equation
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Answer:
what is that quadratic equation
that time we can find value of k
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(x+2)^2
=x^2 + 4x + 4 =0
=(x+2)(x+2)
x+2=0
x = -2
=x^2 + 4x + 4 =0
=(x+2)(x+2)
x+2=0
x = -2
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