Question

If (x+2) are zeros of x³-4x³+k-8 find k​

Answer 1

Answer:

p(X)= x³-4x³+k-8

p(-2)= (-2)³-4(-2)³+k-8 =0

= -8+32+k-8=0

= 32-16+k= 0

=k=-16

Answer 2

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