milkeukie
milkeukie milkeukie
  • 16-09-2020
  • Mathematics
contestada

What is the solution set of the quadratic equation 3x^2 - 2x - 1 = x^2 - 6x +3​

Respuesta :

MathPhys
MathPhys MathPhys
  • 16-09-2020

Answer:

x = -1 ± √3

Step-by-step explanation:

3x² − 2x − 1 = x² − 6x + 3

Move everything to one side.

2x² + 4x − 4 = 0

Divide by 2.

x² + 2x − 2 = 0

Solve with quadratic formula, or by completing the square.

x² + 2x = 2

x² + 2x + 1 = 3

(x + 1)² = 3

x + 1 = ±√3

x = -1 ± √3

Answer Link

Otras preguntas

How do you write this in a algebraic equation: 6 more than 7 times a number is 41
What makes a pear or fig gritty?
Two end uses of wool
if a+b+c=0 for a,b,c then prove a²/bc+b²/ca+c²/ab=3.
what is the function of lissome?
use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to
Two glasses together contain 280 mLof water. The first glass contains 80 ml more than the second glass. How much water does the first glass contain?
4(X-1)-3(X^2+2X+3)-7(X+7)
4(X-1)-3(X^2+2X+3)-7(X+7)
How do you write this in a algebraic equation: 6 more than 7 times a number is 41