SOLUTION: how do you compute 2 squared plus 2 to third power plus 2 to the fourth power minus 10 equal ?

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Question 407221: how do you compute 2 squared plus 2 to third power plus 2 to the fourth power
minus 10 equal ?
Answer by Camille40(5) About Me  (Show Source):
You can put this solution on YOUR website!
2^2 + 2^3 + 2^4 - 10 = x
4 + 8 + 16 - 10 = x
18 = x