Step-by-step explanation:
x² - 2x - 15 = 0
x1 = 5
x2 = -3
The answer is
x =<span> <span><span>−3/</span>17</span></span>
Answer:
24 square meters.
Step-by-step explanation:
The surface area of the cube consists of 6 congruent squares with side length of 2 m.
The are of one such square is

Hence, the surface area of the cube is
