Evaluate for t, 8t2 - 22t – 21 = 0 using factorization method
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8t^2-22t-21=0
8t^2-28t+6t-21=0
4t(2t-7)+3(2t-7)=0
(4t+3)(2t-7)=0
4t+3=0. or. 2t-7=0
t=(-3/4). or. t=7/2
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