deena7
deena7
08-02-2019
Mathematics
contestada
I need help for my mathematics please
Respuesta :
mathecoach
mathecoach
08-02-2019
Answer:
8.
-2|5 - 8|
= -2|-3|
= -2*3
= -6
9.
-8(-1)² + 7(-1) - 7
= -8*1 - 7 - 7
= -8 - 7 - 7
= -22
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