13newbhal
13newbhal
10-01-2017
Mathematics
contestada
if 3x^2-2x+7=0 then (x-1/3)^2=
Respuesta :
phuong9822
phuong9822
10-01-2017
3x^2−2x+7=0
3x^2−2x+1/3+7−1/3=
0
3
(x^2−2x/3+1/9)
+7−1/3=0
3
(x−1/3)^
2
+(21−1)/3=0
3
(
x−1/3
)^
2
=−
20/3
(
x−
1/3
)^
2
=−
20/9
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
After cutting the recipe in half, ricardo needed 3 cups of flour.
The political purpose of the Taft-Hartley Act of 1947 was to A. strengthen the Wagner Act.B. roll back the provisions of the Wagner Act.C. impose regulati
A dog pulls on a pillow with a force of 2.3 N at an angle of 21.9◦above the horizontal a) What is the x component of this force? Answer in units of N
Magnesium burns with a very bright light. When the flame goes out, a White powder is left behind. What is the name of that white powder?
On Monday, Harold picked up four donuts and three large coffees for the office staff. He paid $4.96. On Tuesday, Melinda picked up six donuts and six large coff
what role do bacteria and other tiny organisms have in making sure that nutrients are always available in ecosystems
You run straight off a high diving board at a speed of 6 m/sec. You hit the water 2 seconds later. a. How far did you travel horizontally during the 2 seconds?
What are the possible values of x if (4x – 5)2 = 49?
Describe how Newton’s three laws of motion are used in testing the safety of our automobiles
A golf ball and bowling ball are moving and both have the same kinetic energy.Which one is moving faster? If they move at the same speed, which one has more kin
good job
