kseniyaskaya kseniyaskaya

03-03-2020
Mathematics

contestada

Solve the equation.

x2 − 6x − 7 = 0

Respuesta :

igoroleshko156 igoroleshko156

03-03-2020

Answer:

x = 7 and x = -1

Step-by-step explanation:

Step 1: Factor

x^2 - 6x - 7 = 0

(x - 7)(x + 1) = 0

Step 2: Solve for x

(x - 7)(x + 1) = 0

x - 7 = 0 and x + 1 = 0

x - 7 + 7 = 0 + 7 and x + 1 - 1 = 0 - 1

x = 7 and x = -1

Answer: x = 7 and x = -1

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