Depends on if you want it rounded.
14.47
X^2-5x+5x-25 (multiply (x-5) with (x+5))
X^2-25 ( -5x+5x =0)
Answer:
n = -14
Step-by-step explanation:
-3(n+9)=15
Distribute -3 to (n+9):
-3n - 27 = 15
Add 27 to both sides:
-3n = 42
Divide both sides by -3:
n = -14
17
This is gonna be confusing but this is how you solve stuff like this
8 x 8 = 64 15 x 15 = 225
64 + 225 = 289
Find the square root of 289
17