Se tiene que elaborar un cartel de forma triangular, uno de los lados debe medir 30 cm y el otro
1 answer:
You might be interested in
Answer:
x = 3
Step-by-step explanation:
The fractions need to have common denominators. So, we would make the common denominator (x + 3)(x - 3), or, x^2 - 9
Multiply the numerator by the same number or variable as the denominator and then combine.
Once their is x and a number left you would solve for x.
