SOLUTION: What is the value of the expression when b = 3 4b^4 how do you solve it and What is the value of the expression when a = 5 and b = 3 4a^2-5b^2

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Question 892948: What is the value of the expression when b = 3
4b^4 how do you solve it and
What is the value of the expression when a = 5 and b = 3
4a^2-5b^2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Just substitute,
4b%5E4=4%283%29%5E4=4%2881%29=324
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4a%5E2-5b%5E2=4%285%29%5E2-5%283%29%5E2=4%2825%29-5%2827%29=100-135=-35