(5x - 4x)² + 3
(5x - 4x)(5x - 4x) + 3
Simplify.
25x² - 20x² - 20x² + 16x² + 3
Add like terms.
(25x² - 20x²) + (-20x² + 16x²) + 3
Simplify.
5x² - 4x² + 3
Simplify once more.
x² + 3
~Hope I helped!~
A- Stable electron configurations are likely to contain - filled energy sub-levels.
B- How many unpaired electrons are in a sulfur atom (atomic number 16)? Answer is 2
Answer:
23,000
Step-by-step explanation:
brainliest