U² + 6u - 27
u² + 9u - 3u - 27
(u - 3)(u + 9)
Answer:
42cm²
Step-by-step explanation:
It is actually 7cm by 6cm
You are taking 2 x 0.5cm of the smaller sides rectangles which is 1. This leaves us with 6 x 7 = 42cm²
Answer:
-0.333333333333
Step-by-step explanation: