sweetnhy sweetnhy
  • 18-07-2017
  • Mathematics
contestada

if the value of b is 7 , then what is the value of the expression -3b2 + 25 = ?

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garydesir1
garydesir1 garydesir1
  • 18-07-2017
Hello there!

Evaluate
-3b² + 25
For b = 7
-3(7)² + 25
-3(49) + 25
-147 + 25
= -122

I hope that helps!
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