Solve the quadratic equation for x. what is one of the roots?

(x + 6)2 = 49

a) −13
b) −6
c) −7
d) −1

A)−13

Step-by-step explanation:

(x + 6)^2 = 49

Take the square root of each side

sqrt((x + 6)^2) = ±sqrt(49)

x+6 = ±7

Subtract 6 from each side

x+6-6 = -6  ±7

x =-6  ±7

Separating into 2 parts

x = -6+7          x = -6-7

x = 1               x = -13

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