Question

A rectangle has a height of 4 and a width of x + 3x +2

Answer 1

Answer:

Length =

${x}^{2} + 3x + 2 \\ breadth = 4cm \\ area \: of \: rectangle \: = {x}^{2} + 3x + 2 \times 4 \\ 4 {x}^{2} + 12x + 8$