Simplify the expression to a, plus, b, ia+bi form:square root of, 9, end square root, minus, square root of, minus, 100, end square root, minus, square root of, 25, end square root, minus, square root of, minus, 4, end square root9​ − −100​ − 25​ − −4​

Simplify the expression to a, plus, b, ia+bi form:minus, square root of, 16, end square root, plus, square root of, minus, 72, end square root, plus, square root of, 121, end square root, plus, square root of, minus, 2, end square root− 16​ + −72​ + 121​ + −2​

Fully simplify.left bracket, 9, square root of, 81, end square root, right bracket, left bracket, 4, square root of, minus, 9, end square root, right bracket(9 81​ )(4 −9​ )

Fully simplify.left bracket, minus, 2, square root of, minus, 49, end square root, right bracket, left bracket, 5, square root of, minus, 100, end square root, right bracket(−2 −49​ )(5 −100​ )

Solve for aa. Express your answer in simplest radical form if necessary.a, equals, left bracket, square root of, 93, end square root, right bracket, squareda=( 93​ ) 2

Express in simplest radical form.square root of, 108, end square root108​