What is (3+sqrt(-16))(6-sqrt(-64)) ?

The solution to (3+sqrt(-16))(6-sqrt(-64)) is 50

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simplify (3+sqrt(-16))(6-sqrt(-64))

simplify

(3 + - 16) (6 - - 64)

50

Solution steps

(3 + - 16) (6 - - 64)

- 16 = 4 i

= (3 + 4 i) (6 - - 64)

- 64 = 8 i

= (3 + 4 i) (6 - 8 i)

Apply FOIL method

(3 + 4 i) (6 - 8 i) : 50

= 50

(10 x^{2} + 3 x + 9) - (- 4 x^{2} + 7 x - 8)

(3 a^{2} - a + 5)^{2}

\frac{2}{3} \div \frac{3}{2}

2 a + 2 a

7 a^{2} (b)

What is (3+sqrt(-16))(6-sqrt(-64)) ?
The solution to (3+sqrt(-16))(6-sqrt(-64)) is 50