Problema Solution
(b) The square of an integer is equal to three times itself minus 2. Write the statement in equation form and find the integers?
Answer provided by our tutors
x^2 = 3x-2
x^2-3x+2=0
x^2-x-2x+2=0
(x-3/2)^2 - 9/4 + 2 = 0
x-3/2 = +/- 1/2
x=2 or x=1
so x can be 2 or 1