Answer:
9A^2 - 16B^2.
Step-by-step explanation:
(3A+4B)(3A-4B) = 9A^2 + 12AB - 12AB - 16B^2 = 9A^2 - 16B^2.
Hope this helps!
I think x=28
4/5 = x/35
5*7=35
4*7=28
Answer:100.53mm
lt is the graph of x2+3x-4