Question

Buenas noches:
X elevada a 2 -7x+6=0
X elevada a la 2 -x-20=0
Si me pueden ayudar por favor

Answer 1

X² - 7x +6 = 0

(x - 1)(x - 6) = 0

X - 1 = 0
X = 1

X - 6 = 0
X = 6


*X² - x - 20 = 0

( x - 5)(x + 4) = 0

X - 5 = 0
X = 5

X + 4= 0
X = - 4