petroale000
05.03.2021 •
Mathematics
3a^2-7a+6=
( for a= -2 )
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Ответ:
32
Step-by-step explanation:
Substitute a = - 2 into the expression and evaluate
3(- 2)² - 7(- 2) + 6 = 3(4) + 14 + 6 = 12 + 14 + 6 = 32
Ответ:
32
Step-by-step explanation:
a^2=4
3*4=12
3a^2=12
7a= -14
-7a=14
6=6
12+14+6=32
Ответ:
Elena has 6 and fran has 8
Step-by-step explanation: