Order of Operations. PEMDAS, Parentheses, Exponents, Multiply, Divide, Add, Subtract. Multiply; 4x-4/5x+300x+60/2x-2. Divide; 4x-0.8x+300x+30x-2. Add; 4x-330.8x-2. Subtract; 326.8x-2.
Your answer; 326.8x-2
FOE = 60 degrees. let me know if you need to show working
The triangles ABC and ADC are similar.
Therefore
56m-21m+9p-24p
35m-15p
Draw arches over the numbers and just multiply the values. The arches help keep track of it.