SOLUTION:
Evaluate
-2x^4-3x²+5x-9forx=2
Algebra.Com
Question 173086:
Evaluate
-2x^4-3x²+5x-9forx=2
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
Plug in .
Raise to the 4th power to get .
Square to get .
Multiply and to get .
Multiply and to get .
Multiply and to get .
Combine like terms.
So when
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