What is (-2i)(5i^2)(-5i) ?

The solution to (-2i)(5i^2)(-5i) is 50

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simplify (-2i)(5i^2)(-5i)

simplify

(- 2 i) (5 i^{2}) (- 5 i)

50

Solution steps

(- 2 i) (5 i^{2}) (- 5 i)

Simplify

(- 2 i) (- 5 i) : - 10

= - 10 \cdot 5 i^{2}

Multiply the numbers:

- 10 \cdot 5 = - 50

= - 50 i^{2}

Apply imaginary number rule:

i^{2} = - 1

= - 50 (- 1)

Multiply the numbers:

- 50 (- 1) = 50

= 50

\frac{1}{( \frac{1 - x}{x} ) + 1}

\frac{\frac{1}{x - 1}}{\frac{1}{x ^{2} + 1}}

\frac{\frac{4}{9} + \frac{5}{6}}{\frac{3}{5}}

\frac{x + 3}{x - 8} - \frac{x - 4}{x}