elijah6842 elijah6842
  • 02-12-2020
  • Mathematics
contestada

Solve the following quadratic by completing the square. (Hint: It won't factor) x2-10x+5=0

Respuesta :

cindo2793 cindo2793
  • 02-12-2020

[tex]5+2\sqrt{5} , 5-2\sqrt{5}[/tex]    Answer:   5±2[tex]\sqrt{5}[/tex]

Step-by-step explanation:

x2 -10x=5=0

x2-10x+25=-5+25

(x-5)(x-5)=20

[tex](x-5)^{2} =\sqrt{20}[/tex]

[tex]\sqrt{x-5}=\sqrt{20}[/tex]

x-5=±[tex]\sqrt{20[/tex]

x=5±[tex]\sqrt{5*4[/tex]

x=5±2[tex]\sqrt{5}[/tex]

Answer Link

Otras preguntas

An object has a mass of 15kg. On Planet X, the object weighs 126N. The force of gravity on Planet X is
which characteristic of life best describes the process of photosynthesis?
How to estimate to the nearest tens 671×32
Plzzz help ITS MATHS HOMEWORK
Please read the following case study carefully and answer the questions that follow. When Stephanie Mayer first started working as an office assistant with AOC
Fill in the last blank pls! Will give brainliest
Which is the best objective summary of The Princess and the Goblin, Chapter 8?1Curdie has lunch in the tunnel, and he stops mining for a while. The goblins thin
how do I find y and what is the answer​
describe in brief the importance of wetlands from religious and cultural view point​
I need help with this. -y^2+x^3-4x^3-6y^3+5-2x^3