Question

What is the solution of |x – 2| > –3? Explain.

Answer 1

Answer:

all x

Step-by-step explanation:

for all x, |x-2|>-3

as we mod of any number is always positive

and positive number is always greater than negative ones.

Answer 2

Solve for x: 2 x 2 + 3 x + 2 = 0. Because a ≠ 1, multiply through the equation by . There is no solution in the real number system. It may interest you to know that the completing the square process for solving quadratic equations was used on the equation ax 2 + bx + c = 0 to derive the quadratic formula.