Question 694553: the sum of the square of an integer and 3 times itself is 54. find the two possible values of the integer. Answer by Ave(106) (Show Source):
You can put this solution on YOUR website! equations would look like this, let "an integer" = x
x^2(square of integer) +(sum) 3x(3times the integer) =(is) 54
x^2+3x-54=0 add -54 to both sides
(x+9)(x-6)=0 reverse foil
x+9=0 x-6=0 set both equal to 0 and solve
{-9,6} <-answer
