plz telllllllllllllllllllll
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Step-by-step explanation:
Let p(x)=7x²+kx-3=0
if 2/3 is solution
then value of k is,
p(1/2)=7*1/2*1/2+k*1/2-3=0
7/4+1/2k=3
1/2k=3-7/4
1/2k=12-7/4
1/2k=5/4
k=5/4*2
k=5/2
hope this helps you