SOLUTION: 2a-(-3)squared greater than or equal to 13

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Question 673383: 2a-(-3)squared greater than or equal to 13
Answer by blwinbbbles(106) About Me  (Show Source):
You can put this solution on YOUR website!
In math there is an order in which things are performed.
so:
2a - (-3)^2 >or= 13......first square -3 which is 9
2a - 9 >or= 13......add 9 to both sides
2a >or= 22......divide by 2
a >or= 11 and this is your answer