Simplify: `(5+7i)/(3+8i)`

Simplify: 3+(5)/(-7)

Simplify: 5/8-4/7

Simplify ( i ) (((1)/(3))^(-2)-((1)/(2))^(-3)}-:((1)/(4))^(-2)*( ii) ((5)/(8))^(-7)xx((8)/(5))^(-5)

1 Simplify: (i) 2^((2)/(3)) times 2^((1)/(5) and ((1)/(3)^(3))^(7)

Simplify: (9x -7)(2x - 5) - (3x - 8)(5x -3)

Simplify : {:((i),3(6+6i)+i(6+6i),(ii),(1-i)-(-3+6i)),((iii),((1)/(3)-(2)/(3)i)-(4+(3)/(2)i),(iv),{((1)/(5)+(7)/(5)i)-(6+(1)/(5)i)}-((-4)/(5)+i)):}

Simplify :(i)-(7)/(9)+(3)/(4)

Simplify : (i) 7/2 - 3/4 , (ii) 8/11 - 2/3