What is the answer to 2^2+2x-3=0 ?

The answer to 2^2+2x-3=0 is x=-1/2

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2^2+2x-3=0

2^{2} + 2 x - 3 = 0

x = - \frac{1}{2}

Decimal Notation

x = - 0.5

Solution steps

2^{2} + 2 x - 3 = 0

2^{2} = 4

4 + 2 x - 3 = 0

Group like terms

2 x + 4 - 3 = 0

Add/Subtract the numbers:

4 - 3 = 1

2 x + 1 = 0

Move

1

to the right side

2 x = - 1

Divide both sides by

2

x = - \frac{1}{2}

\frac{7}{i}

12 x^{2} + 7 x t - 12 t^{2}

\frac{x ^{2} - 4 x - 12}{x ^{2} - 6 x + 8} \leq 0

a^{2} + 2 4^{2} = 2 5^{2}

∣ x - 7 ∣ \leq 14