SOLUTION: Solve the system(Substitution method recommended) x+y=32 y=x^2-4x+4

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve the system(Substitution method recommended) x+y=32 y=x^2-4x+4       Log On


   

Question 866827: Solve the system(Substitution method recommended)
x+y=32
y=x^2-4x+4
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

y = 32-x

32-x = x^2-4x+4

   x^2 -3x - 28 = 0

  (x-7)(x+4) = 0,   x = -4, 7 and y = 36, 25

(-4, 36) and (7,25) are the solutions for this System