Question

expand and simplify each of the following expression. 5{3c-[d-2(c+d)]}.
step by step explanation plz.​

Answer 1

Answer:

5(5c-3d)

Step-by-step explanation:

5{3c-[d-2(c+d)]} [round bracket is opened first]

=>5{3c-[d-2c+2d]}

=>5{3c-[3d-2c]} [ then curly bracket is opened]

=>15c-5[3d-2c] [ then square bracket is opened]

=>15c-15d+10c

=>25c-15d [expanded]

=> 5(5c-3d) [simplified]

Please mark my answer the BRAINLIEST.