equação |x x|= -6
|5 x|
como resolver?
x^2 - 5x = - 6 => x^2 - 5x + 6= 0
delta= (-5)^2 -4.1(-6) = 25 + 24 = 49
x= -(-5)+- V49 = > x= 5 +/ - 7
2.1 2
x1= (5 + 7)/2 => x1 = 12/2 => x1 = 6
x2= (5-7)/2 => x2= -2/2 =. x2 = -1
V ={ - 1, 6}
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
x^2 - 5x = - 6 => x^2 - 5x + 6= 0
delta= (-5)^2 -4.1(-6) = 25 + 24 = 49
x= -(-5)+- V49 = > x= 5 +/ - 7
2.1 2
x1= (5 + 7)/2 => x1 = 12/2 => x1 = 6
x2= (5-7)/2 => x2= -2/2 =. x2 = -1
V ={ - 1, 6}