Question

answer this question i will make you BRAINLIST ​

Answer 1

Answer:

x= 1

Step-by-step explanation:

${(x + 4)}^{2} - {(x - 5)}^{2} = 9 \\ = > (x + 4 + x - 5)(x + 4 - x + 5) = 9 \\ = > (2x - 1) \times 9 = 9 \\ = > 2x - 1 = \frac{9}{9} \\ = > 2x - 1 = 1 \\ = > 2x = 1 + 1 \\ = > 2x = 2 \\ = > x = \frac{2}{2} \\ = > x = 1$