Compare to 0:
-x^2 + 10x - 25
![Compare to 0 x2 10x 25 class=](https://us-static.z-dn.net/files/d15/37910093b4eb257ac01b12b5282d6cfe.png)
Answer:
x = 5
Step-by-step explanation:
-x² + 10x - 25 = 0
x = {-10±√((10²)-(4*-1*-25) / (2*-1)
x = {-10±√(100-100)} / -2
x = {-10)/-2
x = 5
Comprobación:
- (5²) + 10*5 - 25 = 0
-25 + 50 - 25 = 0