Question

If the length of a large banner is 4x + 5 and the width is half as long, what is the area?
A. 6x² + 20x + 12.5
B. 8x² + 17x + 12.5
C. 8x² + 20x + 12.5
D. 8x² + 22x + 12.5

Answer 1

do 4x+5 times 4x+5/2

Answer 2

4x+5 times (4x+5)/2 i mean

Answer 3

\[(4x + 5) \times [\frac{ (4x + 5) }{ 2 }] = A\]

Answer 4

Area is =length*width
given len=(4x+5)*{(4x+5)/2}=.......,