NathalyN NathalyN

13-01-2016
Mathematics

contestada

Please help me!!! :(

Please help me class=

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LPeek12 LPeek12

13-01-2016

Question 3.
x(x)

Question 4.
x=0 only

I am not sure about question 5 sorry.

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Аноним Аноним

13-01-2016

Question 3

x(x + 12) = 0
x(x) = 0

Question 4

x = 0 or -1

Question 5
3rd box

x² - 49 = 0
x² = 49
√x² = √49
x = 7

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