Solve 1-2*{left(7/25right)}^2

$$1-2 \times { \left( \frac{ 7 }{ 25 } \right) }^{ 2 }$$

Evaluate

$$\frac{527}{625}=0.8432$$

Solution Steps

Calculate \frac{7}{25} to the power of 2 and get \frac{49}{625}.

$$1-2\times \frac{49}{625}$$

Express 2\times \frac{49}{625} as a single fraction.

$$1-\frac{2\times 49}{625}$$

Multiply 2 and 49 to get 98.

$$1-\frac{98}{625}$$

Convert 1 to fraction \frac{625}{625}.

$$\frac{625}{625}-\frac{98}{625}$$

Since \frac{625}{625} and \frac{98}{625} have the same denominator, subtract them by subtracting their numerators.

$$\frac{625-98}{625}$$

Subtract 98 from 625 to get 527.

$$\frac{527}{625}$$

Factor

$$\frac{17 \cdot 31}{5 ^ {4}} = 0.8432$$