simplify 2(3/5)^2-1

Solution

simplify

2 (\frac{3}{5})^{2} - 1

- \frac{7}{25}

Decimal Notation

- 0.28

Solution steps

2 (\frac{3}{5})^{2} - 1

(\frac{3}{5})^{2} = \frac{9}{25}

= 2 \cdot \frac{9}{25} - 1

2 \cdot \frac{9}{25} = \frac{18}{25}

= \frac{18}{25} - 1

\frac{18}{25} - 1 = - \frac{7}{25}

= - \frac{7}{25}

- 2 (x + 1)^{2} + 8

\frac{\frac{1}{3}}{3}

\frac{1}{10} \div \frac{1}{8}

\frac{12 6}{2}

4 \times \frac{1}{16}