What are the solutions to the equation completesquare x^2-10x-20=0 ?

The solutions to the equation completesquare x^2-10x-20=0 are x=3sqrt(5)+5,x=-3sqrt(5)+5

Find the zeros of completesquare x^2-10x-20=0

The zeros of completesquare x^2-10x-20=0 are x=3sqrt(5)+5,x=-3sqrt(5)+5

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

x^{2} - 10 x - 20 = 0

x = 35 + 5, x = - 35 + 5

Decimal Notation

x = 11.70820 \dots, x = - 1.70820 \dots

Solution steps

x^{2} - 10 x - 20 = 0

Move

20

to the right side

x^{2} - 10 x = 20

Rewrite in the form

(x + a)^{2} = b

(x - 5)^{2} = 45

For

the solutions are

f (x) = a, - a

Solve

x - 5 = 45 : x = 35 + 5

Solve

x - 5 = - 45 : x = - 35 + 5

The solutions to the quadratic equation are:

x = 35 + 5, x = - 35 + 5

x \frac{1}{4} x - \frac{3}{5} (x - 3) = 20

(d + 3)^{2} = 7

x^{2} - 2 x - \frac{1}{2} = 0

y^{2} - 12 y

y^{2} - 16 y

What are the solutions to the equation completesquare x^2-10x-20=0 ?
The solutions to the equation completesquare x^2-10x-20=0 are x=3sqrt(5)+5,x=-3sqrt(5)+5
Find the zeros of completesquare x^2-10x-20=0
The zeros of completesquare x^2-10x-20=0 are x=3sqrt(5)+5,x=-3sqrt(5)+5