Write the solution set of the equation x2 + x - 2 = 0 in roster form.
Solution:
We will solve this quadratic equation.
We have the equation, x2 + x - 2 = 0.
We have to factorize it to get the solution in roster form.
x2 + 2x - x - 2 = 0
x (x + 2) -1 (x + 2) = 0
(x + 2) (x - 1) = 0
So, x = -2 or x = 1
Thus, the solution set of the equation x2 + x - 2 = 0 in roster form is {1, -2}.
Write the solution set of the equation x2 + x - 2 = 0 in roster form.
Summary:
The solution set of the equation x2 + x - 2 = 0 is {1, -2} in roster form.
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