Answer:
1) 4x² + 3x
Step-by-step explanation:
Add/Combine like terms:
2x² - 6x² = -4x²
6x - (+3x) = 3x
5 - (+5) = 0
Simplify: -4x² + 3x
The product of 3 and 4 plus the quotient of 6 and 2 (aka the second one)
Slope = 2
Slope = 20/10 = 2