For what value of t is x= 2/3 a solution of 7x2 + tx – 3 = 0
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Answer:
t = -3/2
Step-by-step explanation:
7x2+tx-3=0
7(2/3)2 + (2/3)t -3 = 0
24/6+2t/3-3=0
24+4t-18/6=0
6+4t=0
4t= -6
t = -3/2
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