94.4k views
1 vote
Solve -4a² - 1/5b + 1/7c

if a = 3, b = -5, c = -21​

User Blanthor
by
8.6k points

1 Answer

1 vote

Answer:

Explanation:

-4(3)² - 1/5(-5) + 1/7(-21)

-4(9) + 1 - 3

-36 + 1 - 3

-35 - 3 = -38

User OldCurmudgeon
by
8.6k points

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