2x³-14x+k by x+3
ans is 12 show how
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Answer:
Step-by-step explanation:
f(x)=2x^3-14x+k
g(x)=x+3
f(-3)=2×(-3)^3-14×-3+k=0
=2×-27+42+k=0
=-54+42+k=0
=-12+k=0
=k=12
Hope it helps
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