Rearrange to: x^2 + 18x - 25 = 0
Then factorise (I like to do it by completing the square):
(x + 9)^2 -81 -25 = 0
(x + 9)^2 = 106
x + 9 = sqrt(106)
The sol'ns are:
x = -9 + and - sqrt(106)
Answer:
Each remaining piece is 2.25 ft.
Answer:
1/8
Step-by-step explanation:
P = 1/2 × 1/2 × 1/2
P = 1/8
Answer:
The Red Submersible
Step-by-step explanation:
