Answer:
57
Step-by-step explanation:
408-9 =399
399/7 =57
Make the bottom numbers the same, do whatever you do to the bottom to the top, and add the top numbers.
Answer: x² + 2x - 15
Step-by-step explanation:
<u>Concept:</u>
When we encounter questions that ask us to simplify expressions that consist of multiple parentheses, it is suggested to use the FOIL method to ease the process.
<u>Solve:</u>
Given
(x - 3) (x + 5)
Expand parentheses
x² + 5x - 3x - 15
Combine like terms
x² + (5x - 3x) - 15
x² + 2x - 15
Hope this helps!! :)
Please let me know if you have any questions
5-sqrt(2)/SQRT(3) = 5*sqrt(3) - sqrt(6) Hope this helps! Please rate! Thank YOU!