Seudónimo Seudónimo

04-05-2017
Mathematics

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I need help with 2 questions.

I need help with 2 questions class=

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Аноним Аноним

04-05-2017

1st one is d. since the square root wants the principle root (the positive one)

2nd one is C

set 3x + 3 = 0
3x = -3
x = -1

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