SOLUTION: Solve using the quadratic formula: x2 – 2x = 5x – 2

Algebra ->  Systems-of-equations -> SOLUTION: Solve using the quadratic formula: x2 – 2x = 5x – 2       Log On


   

Question 158380: Solve using the quadratic formula:
x2 – 2x = 5x – 2
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x2 – 2x = 5x – 2
x^2-2x-5x+2=0
x^2-7x+2=0
Using the quadratic equation:x+=+%28-b%2B-+sqrt%28+b%5E2-4%2Aa%2Ac%29%29%2F%282%2Aa%29 we get:
x=(7+-sqrt[-7^2-4*1*2])/2*1
x=(7+-sqrt[49-8])/2
x=(7+-sqrt41)/2
x=(7+-6.4)/2
x=(7+6.4)/2
x=13.4/2
x=6.7 answer.
x=(7-6.4)/2
x=.6/2
x=.3 answer.