The first option is correct. For the following question, the simplified expression for the volume is 8x3 + 14x2 + 3x.
Answer:
In what book?
Step-by-step explanation:
The second i think you did good
(2) 11x3 (3) 7x5 (4) (8+5)x9 (5) 12+3 (6) 5x2 (7) (6+4)x8 (8) 8 + 13 Message me for more information
Width is x.
Length is (x + 1).
Area = length*width
56 = x(x+1)
x² + x - 56 = 0
(x+8)(x-7)=0
x = - 8, or x = 7
"- 8" is impossible for width.
So, width x = 7
Length = (x+1) = 7+1 = 8
