The multiplication and simplification of the polynomial –12i × 3i gives 36
What is a complex number?
A complex number is a number of the form a + bi, where a and b are real numbers, and i = √-1
i² = (√-1)² = -1
Given the complex number:
–12i × 3i
multiplying and simplifying gives:
= -36 i² = -36 -1 = 36
The multiplication and simplification of the polynomial –12i × 3i gives 36
Find out more on complex number at: https://brainly.com/question/10662770
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