Answer:
-60-14x
Step-by-step explanation:
Distribute the 3: -3(20+5x)+x => 20(-3)+3(-5x)+x => -60 -15x+x
Simplify: -60-15x+x => -60-14x
7.87X10^3
^ means to the power of
To simplify the problem it would be: -18xy+18y^2
Answer: C
Step-by-step explanation: Hope this help :D
145.84 meters
