Answer: 15x^2+6x-20
Step-by-step explanation:
use symbolab.com for calculator and further steps
d/dx (5x+3)5
((x-2)(x+2))=2x
5(x-2)(x+2)+2x(5x+3)
15x^2=6x-20
Answer:
12
7-(-5) = 7+5
7+5 = 12
7-(-5) = 12
it is b for sure sokays uduhdhd
The area should be 170
L× W =70×10=170
