Answer: 9x²-4
Step-by-step explanation:
To solve use the formula (known as the difference of squares) a²-b²=(a+b)(a-b) and substitute a with 3x and b with 2 and then substitute to find: (3x)²-2²= 9x²-4
Answer:
hello : 10/5=2
480 m²
A = bh/2
A = 64 m × 15 m / 2
A = 480 m²
10:40
