Question

t²-20t+20=0 help solve this​

Answer 1

Answer:

T = 10

Step-by-step explanation:

$t {}^{2} - 20t = 20$

$t {}^{2} - t = 20 + 20$

$t {}^{2} - t \: = 40$

$2t {}^{2} = 40$

$t {}^{2} = 40 \div 2$

$t {}^{2} = 20$

$t {}^{2} = \: (2) {}^{2} \times 5$

$power \: are \: equal$

$t = 2 \times 5$

$t = 10$

$answer$

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Answer 2

Answer:

i know answer

Step-by-step explanation:

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