2 plus 2 squared is 2+2^2 in equation form. By PEMDAS (or Please Excuse My Dear Aunt Sally), you would have to do 2^2 (2 squared) first. 2^2 is 4. Then, you add 2+4, which is 6.
The final answer is 6.
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square root of 4x is 2 times square root of x, so answer is square root of x times 3 since it is 2 square roots of x plus one of them
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the answer is 256 because 2+2 is 4 and 56*9 is 504 divided by 2 is252 plus 4 is 256
29.5
Multiply everything by the square root of 3 minus the square root of 2 and then times that by 100 - 72 and divide that by 5