Question

cuanto es:
$(3x - 4)^{2} + 4 = 12$
​

Answer 1

Respuesta:

x = (± √8 + 4)/3

Explicación paso a paso:

(3x - 4)² + 4 = 12

(3x - 4)² = 12 - 4

(3x - 4)² = 8

3x - 4 = ± √8

3x = ± √8 + 4

x = (± √8 + 4)/3

Verificación:

• [3 . (√8 + 4)/3 -4 ]²+ 4 = 12

(√8 + 4-4)² + 4 = 12

(√8)² + 4 = 12

8 + 4 = 12

12 = 12     VERIFICA

• [3 . (-√8 + 4)/3 -4 ]²+ 4 = 12

(-√8 + 4-4)² + 4 = 12

(-√8)² + 4 = 12

8 + 4 = 12

12 = 12     VERIFICA