Question

plsssssss send it ASAP fast​

Answer 1

Answer:

x=1

Step-by-step explanation:

Expand (x+4)²-(x-5)² :18x-9

18x-9=9

Add. 9 the both sides

18x-9+9=9+9

Simplify

18x=18

Divide both sides by 18

18x/18 = 18/18

Simplify

x=1

Hope it helps