tinkerstinker313 tinkerstinker313

12-02-2022
Mathematics

contestada

Solve for x in the equation 3x2 - 18x+5=47.

Solve for x in the equation 3x2 18x547 class=

Respuesta :

goddessboi goddessboi

12-02-2022

Answer:

[tex]x=3\pm\sqrt{23}[/tex]

Step-by-step explanation:

Complete the Square

[tex]3x^2-18x+5=47\\\\3x^2-18x-42=0\\\\x^2-6x-14=0\\\\x^2-6x-14+23=0+23\\\\x^2-6x+9=23\\\\(x-3)^2=23\\\\x-3=\pm\sqrt{23}\\\\x=3\pm\sqrt{23}[/tex]

Answer Link

Otras preguntas

can someone help me pls, 50 points

lines of cleavage partition the skin and indicate the predominant direction of underlying elastic fibers in the dermis. true or false?

7x + 5y + 3, if x = 8 and y = 6

8. King John of England was forced to sign which document that stated his powers were limited? (1 point) O English Bill of Rights Commentaries on the Laws of En

1. If it rains tomorrow, we ____ (stay) at home.

Given two points on a line determine (a) the slope of the line using m=y^2-y^1/x^2-x^1 and (b) the equation of the line in y= mx + b form (-2,5) (3,-5)

How much is a pound of bananas if 12 bs of bananas is $4.33?

A 30-inch board is to be cut into three pieces so that the second piece is 4 times as long as the first piece and the third piece is 5 times as long as the fir

The "Green Revolution" has helped lower costs of crops, making it easier for poorer nations to buy them on the world market, but has also caused what problem to

e4thhhhhhhhhhhhhhddddddddddddfgrgr