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S_A_V [24]
3 years ago
14

3a^2-7a+6= ( for a= -2 )

Mathematics
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

32

Step-by-step explanation:

a^2=4

3*4=12

3a^2=12

7a= -14

-7a=14

6=6

12+14+6=32

DENIUS [597]3 years ago
3 0

Answer:

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

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