SOLUTION: The problem is to solve the quadratic equation using the Indian method of multiplying each term in the equation by four times the coefficient of the x^2 term. The equation is x^2

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The problem is to solve the quadratic equation using the Indian method of multiplying each term in the equation by four times the coefficient of the x^2 term. The equation is x^2       Log On


   

Question 148809: The problem is to solve the quadratic equation using the Indian method of multiplying each term in the equation by four times the coefficient of the x^2 term.
The equation is x^2 +12x - 64 = 0
Help!!!!!
Ellen
Answer by mangopeeler07(462) About Me  (Show Source):
You can put this solution on YOUR website!
Hello Ellen,

x%5E2%2B12x-64=0

Move the constant to the right
x%5E2%2B12x=64

Multiply it by 4
4x%5E2%2B48x=256

Set equal to zero
4x%5E2%2B48x-256=0

Factor
%284x-64%29%28x%2B4%29=0

Set each equal to zero and solve
4x-64=0
4x=64
x=16

x%2B4=0
x=-4

Solutions: x=16;-4.