What are the solutions to the equation 15x^2-1x-2=0 ?

The solutions to the equation 15x^2-1x-2=0 are x= 2/5 ,x=-1/3

Find the zeros of 15x^2-1x-2=0

The zeros of 15x^2-1x-2=0 are x= 2/5 ,x=-1/3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

15 x^{2} - 1 x - 2 = 0

x = \frac{2}{5}, x = - \frac{1}{3}

Decimal Notation

x = 0.4, x = - 0.33333 \dots

Solution steps

15 x^{2} - 1 \cdot x - 2 = 0

Refine

15 x^{2} - x - 2 = 0

Solve with the quadratic formula

x_{1, 2} = \frac{- ( - 1 ) \pm ( - 1 ) ^{2} - 4 \cdot 15 ( - 2 )}{2 \cdot 15}

(- 1)^{2} - 4 \cdot 15 (- 2) = 11

x_{1, 2} = \frac{- ( - 1 ) \pm 11}{2 \cdot 15}

Separate the solutions

x_{1} = \frac{- ( - 1 ) + 11}{2 \cdot 15}, x_{2} = \frac{- ( - 1 ) - 11}{2 \cdot 15}

x = \frac{- ( - 1 ) + 11}{2 \cdot 15} : \frac{2}{5}

x = \frac{- ( - 1 ) - 11}{2 \cdot 15} : - \frac{1}{3}

The solutions to the quadratic equation are:

x = \frac{2}{5}, x = - \frac{1}{3}

lo g_{b} (b)

- 12 + 5 k = 15 - 4 k

- 3 x^{2} + 4 x + 4

4 x^{2} + 20 x + 31 = 0

\frac{X}{7} - 1 = \frac{X}{6}

What are the solutions to the equation 15x^2-1x-2=0 ?
The solutions to the equation 15x^2-1x-2=0 are x= 2/5 ,x=-1/3
Find the zeros of 15x^2-1x-2=0
The zeros of 15x^2-1x-2=0 are x= 2/5 ,x=-1/3