Perform the indicated operations and write the answer in the form x + i y where `x,yinR`.
`(sqrt(5)+7i)(sqrt(5)-7i)^2+(-2+7i)^2`

Perform the indicated operations and write the result in the form x + iy : (- 3-2i)+(-6+ 3i) .

Perform the indicated operations and write the result in the form x + iy : (1/2+7/2 i)- (4+5/2 i) .

Perform the indicated operations and write the result in the form x + iy : (1- 2i) -i + (4- 7i)-2i + (5i + 3) .

In the following perform the indicated operations and write the result in the form x + iy: (8 +3 sqrt 8 i)+ (5 +2 sqrt2 i)-(5+sqrt2 i) .

Perform the indicated operation and give your answer in the form x + iy, where x and y are real numbers and i = sqrt (-1) . (5+2i)/(-1+sqrt 3 i) .

Simplify : (sqrt5+7i)(sqrt5-7i)^3 .

Perform the indicated operation and give your answer in the form x + iy, where x and y are real numbers and i = sqrt (-1) . (sqrt5-7i)(sqrt5-7i)^2+(-2+7i)^2 .

Perform the indicated operation and give your answer in the form x + iy, where x and y are real numbers and i = sqrt (-1) . (1/2+1/4i)(-2/3-1/4i) .

In the following perform the indicated operations and write the result in the form x + iy: sqrt3+(sqrt3-2i)- (3-2i) .

In the following perform the indicated operations and write the result in the form x + iy: (5 +4i)+(5- 4i) .