Mathematics, 16.04.2021 03:50 gaberamos973

Here is someone's solution to the equation 3x2 – 42 = 20.
Q=3 b = -4 C = 20
-b + 6² - 4ac
20
-4+(-4)2 - 4(3)(20)
2(3)
-4Ł V-16 - 240
6
-4 V-256
6
No solutions
Identify 3 of the 4 errors and briefly explain why it is an error.

No joke answers or will be reported

Here is someone's solution to

the equation 3x2 – 42 = 20.
Q=3 b = -4 C = 20
-b + 6² - 4ac
20
-4+(

Answers: 3

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Here is someone's solution to the equation 3x2 – 42 = 20.
Q=3 b = -4 C = 20
-b + 6² - 4...