Answer:
T = 7
Explanation:
How you find T is by multiplying different numbers and squaring them by subtracting until you get to the number that equals to 7
t = 7 or t = -1
You can use a calculator or:
t² - 6t = 7
-> t² - 6t -7 = 0
-> t² - 7t + t - 7 = 0
-> t(t-7) + (t-7) = 0
-> (t-7) . (t+1) = 0
-> t = 7 or t = -1
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