What is the value of b2 − 5 when b = 5?

Algebra
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What is the value of b2 − 5 when b = 5? 

Aug 12th, 2015

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b=5

b^2 =5^2

therefore b^2=25

substituted in the equation will give

25-5=    20

therefore solution is 20

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Aug 12th, 2015

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