We use letters to substitute for unknown numbers. I hope this helps. :)
Answer:
The answer is (a²+1)(2a+1)
-25 - 12x = -(-8x - 6) - 3(5x + 12)
Distributive property.
-25 - 12x = 8x + 6 - 15x - 36
Combine like terms.
-25 - 12x = -7x - 30
Add 12x to both sides.
-25 = 5x - 30
Add 30 to both sides.
5 = 5x
Divide both sides by 5.
x = 1
The x-intersect is 1.
2/3 < 3/4. Hope that helps
Four people read 6to 8 books.
