Can someone please help me with this question? Thanks.

Area = length x width
Area = 3x + 5 Cm x 8 cm
Multiply each term by each term.
Area = 24x + 40 square cm
Answer:
[tex](24x+40) \: cm^2[/tex]
Step-by-step explanation:
Area of rectangle is [tex]lw[/tex]
[tex]8 \times (3x+5)[/tex]
The length is (3x+5) cm.
The width is 8 cm.
[tex]8(3x+5)[/tex]
Expand the brackets.
[tex]8(3x)+8(5)[/tex]
[tex]24x+40[/tex]