Choosing a Method to Solve Quadratics

1. Equations and Inequalities / Choosing a Method to Solve Quadratics / Problem 2

Problem 2

Solve the following equation by substitution method.
x^2/7 + x^1/7 - 2 = 0

x = 1, 128

x = 1, - 128

x = - 1, 128

x = - 1, - 128

Solve the following equation by substitution method.x2/7 + x1/7 - 2 = 0