Question

find the set of solution for the equation x² + x - 2 = 0

• A. {-2, 1}
• B. { -1, 2}
• C. {0, 2}
• D. {-1, -2}

Answer 1

Answer:

A. {-2, 1}

x² + x - 2 = 0 (x + 2)(x -1) = 0 x = - 2 or +1 the set of solution for the equation x² + x - 2 = 0 A = { -2, 1}