Question

please find it attached- i need step by step explanation

Answer 1

The other number is -1600/189

Solution is attached in the pic

Answer 2

$(\frac{-8}{3})²*\frac{1}{x}=\frac{-21}{25}$

$\frac{64}{9x}=\frac{-21}{25}$

By cross multiplication

64 × 25 = -21 × 9x

1600 = -189x

x = -1600/189