Question

Please answer please please

Answer 1

Answer:

x=-1/2

so p(-1/2)= 8(-1/2)^3-k

=8*(-1/8)

=-1-k

k=-1

hope it helps you

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Answer 2

x = - 1½

putting the value of x in the given equation.....

8x³ - k = 8 × -½ × -½ × -½

8 × -1 = - 8 = k