SOLUTION: Enter the quadratic equation in standard form. Use the caret (^) to enter exponents. For example, enter x2 as x^2. x + 9 = 4(x - 1)2

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Enter the quadratic equation in standard form. Use the caret (^) to enter exponents. For example, enter x2 as x^2. x + 9 = 4(x - 1)2      Log On


   

Question 948568: Enter the quadratic equation in standard form. Use the caret (^) to enter exponents. For example, enter x2 as x^2.
x + 9 = 4(x - 1)2
Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!
       x + 9 = 4(x - 1)2

       x + 9 = 4(x - 1)^2

       x + 9 = 4(x - 1)(x - 1)

       x + 9 = 4(x^2 - x - x + 1)

         x + 9 = 4(x^2 - 2x + 1)

         x + 9 = 4x^2 - 8x + 4

-4x^2 + 9x + 5 = 0 

 4x^2 - 9x - 5 = 0 

Edwin