What are the solutions to the equation completesquare 8x-x^2 ?

The solutions to the equation completesquare 8x-x^2 are -(x-4)^2+16

Find the zeros of completesquare 8x-x^2

The zeros of completesquare 8x-x^2 are -(x-4)^2+16

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

complete the square

8 x - x^{2}

- (x - 4)^{2} + 16

Solution steps

8 x - x^{2}

Write in the standard form

a x^{2} + b x + c

- x^{2} + 8 x

Write

- x^{2} + 8 x

in the form:

x^{2} + 2 a x + a^{2}

Factor out

- 1

- (x^{2} - 8 x)

2 a = - 8 : a = - 4

Add and subtract

(- 4)^{2}

- (x^{2} - 8 x + (- 4)^{2} - (- 4)^{2})

x^{2} + 2 a x + a^{2} = (x + a)^{2}

x^{2} - 8 x + (- 4)^{2} = (x - 4)^{2}

- ((x - 4)^{2} - (- 4)^{2})

Simplify

- (x - 4)^{2} + 16

x^{2} + 6 x - 17 = 0

b, m = 4 f b^{2} - g^{2}

x, x^{2} + y^{2} + 4 x - 6 y + 13 = 0

8 x^{2} + 16 x - 27 = 15

x^{2} - 14 x = - 47

What are the solutions to the equation completesquare 8x-x^2 ?
The solutions to the equation completesquare 8x-x^2 are -(x-4)^2+16
Find the zeros of completesquare 8x-x^2
The zeros of completesquare 8x-x^2 are -(x-4)^2+16