What are the solutions to the equation x^2+8x+9=2x ?

The solutions to the equation x^2+8x+9=2x are x=-3

Find the zeros of x^2+8x+9=2x

The zeros of x^2+8x+9=2x are x=-3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

x^{2} + 8 x + 9 = 2 x

x = - 3

Solution steps

x^{2} + 8 x + 9 = 2 x

Move

2 x

to the left side

x^{2} + 6 x + 9 = 0

Solve with the quadratic formula

x_{1, 2} = \frac{- 6 \pm 6 ^{2} - 4 \cdot 1 \cdot 9}{2 \cdot 1}

6^{2} - 4 \cdot 1 \cdot 9 = 0

x_{1, 2} = \frac{- 6 \pm 0}{2 \cdot 1}

x = \frac{- 6}{2 \cdot 1}

\frac{- 6}{2 \cdot 1} = - 3

x = - 3

The solution to the quadratic equation is:

x = - 3

- 5 x^{2} + 12 x = - 6

x (3 x - 6) - 4 + 9 (x - 1) = 5

x^{2} - 10 x + 25 = 0

5 d^{2} + 6 d + 1 = 4 d^{2}

3 x^{2} - 4 = 140

What are the solutions to the equation x^2+8x+9=2x ?
The solutions to the equation x^2+8x+9=2x are x=-3
Find the zeros of x^2+8x+9=2x
The zeros of x^2+8x+9=2x are x=-3