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A=(-2+4/5)² qual valor de A?

A=(-2+4/5)² qual valor de A?
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A=(-2+4/5)² qual valor de A?

User Vince M
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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) } \\ \\ \\
User Qpaycm
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