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Popular >

simplify (4i)(-3i)

Solution

simplify

(4 i) (- 3 i)

Solution

12

Solution steps

(4 i) (- 3 i)

Apply rule:

a (- b) = - ab

(4 i) (- 3 i) = - 4 i 3 i

= - 4 i 3 i

Multiply the numbers:

- 4 \cdot 3 = - 12

= - 12 ii

Apply exponent rule:

aa = a^{2}

ii = i^{2}

= - 12 i^{2}

Apply imaginary number rule:

i^{2} = - 1

= - 12 (- 1)

Multiply the numbers:

- 12 (- 1) = 12

= 12

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Frequently Asked Questions (FAQ)

What is (4i)(-3i) ?
The solution to (4i)(-3i) is 12