Answer:
-65
Step-by-step explanation:
use Khan academy it's very helpful
14x+5
4x+8x2-2x3+5
⬇️Simplify (for example 8x x 2 = 16x)
4x+16x-6x+5
⬇️ Collect like terms (bold)
20x-6x+5
⬇️
