james234886 james234886
  • 05-02-2019
  • Mathematics
contestada

solve for x by completing the square. 2x^2-4x+7=0

Respuesta :

mathecoach
mathecoach mathecoach
  • 05-02-2019

Answer:

2x^2 - 4x + 7 = 0

x^2 - 2x + 3.5 = 0

x^2 - 2x = - 3.5

x^2 - 2x + 1 = 1 - 3.5

(x - 1)^2 = - 2.5

No solution because a quadratic term can't be negative.

Answer Link

Otras preguntas

From where did the first novel originate?
Whats the equation of a circle centered at (7,1) that passes through (-2,10)
Given 4 percent of (2a + b) is 18 and a is a positive integer, what is the greatest possible value of b?
what are the main sacred text of judaism
Express the exact value of csc 60 degrees with a rational denominator?
Whats the equation of a circle centered at (7,1) that passes through (-2,10)
pls help me with this  11-3 and 11-4 u press the link below
How many different ways can you group a red apple, a green apple, a tomato, and a banana? (For example , I'll place apples in one group, and non-apples in anoth
The first land battle of the civil war took place near ________, Virginia, on july _ _, 18_ _At this battle, the union army ___________ the confederate army.wha
Solve the simultaneous equations 2x+3y=-3 3x-2y=28