(x+2)(2x-5)=56
2x^2-5x+4x-10=56
2x^2-x-10=56
2x^2-x-66=0
2x^2-12x+11x-66=0
2x(x-6)+11(x-6)=0
(2x+11)(x-6)=0, since x is a measurement x>0 so:
x=6cm
The answer is in the photo. Hope this helps
Answer:

Step-by-step explanation:

Answer:
14/35
Step-by-step explanation:
Answer:
, which simplifies into 
Step-by-step explanation:
You divide both sides by 35 and get 