What is the product of complex numbers (-3i +4) and (3i +4)??? please explain
2 answers:
Product of complex numbers (-3i +4) and (3i +4)
(x - y)(x + y) = x² - y²
(-3i +4)(3i +4) = (4 -3i )(4 + 3i) = 4² - (3i)² = 16 - 9*(-1)=16 + 9 = 25
Answer:

Step-by-step explanation:
1. First writhe the complex numbers to multiply:

2. Multiply the first term of the first parentheses by the first term of the second parentheses:

3. Multiply the first term of the first parentheses by the second term of the second parentheses:

4. Multiply the second term of the first parentheses by the first term of the second parentheses:

5. Multiply the second term of the first parentheses by the second term of the second parentheses:
4*4=16
6. Write all the terms:

7. Add up the terms:

8. As
:

You might be interested in
Answer:
The answer is the second option 4.8
Step-by-step explanation:
I just did the test.
4 or 4/1 would be the slope
It is all real numbers if that helps
Answer:
<h2>5x+6y</h2>
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>tips and formulas:</h3>
<h3>let's solve:</h3>
- factor out 4 from the expression:4(5x+6y)
- therefore the length of one side of the square is 5x+6y