What is (9sqrt(-64))(5sqrt(-1)) ?

The solution to (9sqrt(-64))(5sqrt(-1)) is -360

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simplify (9sqrt(-64))(5sqrt(-1))

simplify

(9 - 64) (5 - 1)

- 360

Solution steps

(9 - 64) (5 - 1)

9 - 64 = 72 i

= 72 i 5 - 1

Apply imaginary number rule:

- 1 = i

= 72 i 5 i

Multiply the numbers:

72 \cdot 5 = 360

= 360 ii

Apply exponent rule:

aa = a^{2}

ii = i^{2}

= 360 i^{2}

Apply imaginary number rule:

i^{2} = - 1

= 360 (- 1)

Multiply the numbers:

360 (- 1) = - 360

= - 360

\frac{4}{15}

(5 x^{2} - 7 y^{2} - 4 x y) (3 x - 2 y)

x^{\frac{3}{2}} \cdot x

(3 x + 7) (x + 8)

1 0^{8}

What is (9sqrt(-64))(5sqrt(-1)) ?
The solution to (9sqrt(-64))(5sqrt(-1)) is -360