Question

A=(-2+4/5)² qual valor de A?

Answer 1

A=(-2+4/5)² qual valor de A?


`A=\left(-2+ (4)/(5)\right)^2 \\ \\ \\ A=\left( (-2*5+4)/(5)\right)^2 \\ \\ \\ A=\left( (-10+4)/(5)\right)^2 \\ \\ \\ A=\left( (-6)/(5)\right)^2 \\ \\ \\ A=\left( ((-6)^2)/((5)^2)\right) \\ \\ \\ \boxed{ A= (36)/(25) } \\ \\ \\`