Samhain Samhain

01-02-2015
Mathematics

contestada

solve the following quadratic equation (x+3)2+25=0

Respuesta :

ValyRemus ValyRemus

01-02-2015

[tex]2\cdot(x+3)+25=0[/tex] ⇒ [tex]2x+2\cdot3=0-25[/tex]

[tex]2x+6=-25[/tex] ⇒ [tex]2x=-25-6[/tex] ⇒ [tex]2x=-31[/tex]

[tex]x= \frac{-31}{2} [/tex] ⇒ [tex]\boxed {x=-15,5}[/tex]

Answer Link

Otras preguntas

I don’t understand what it’s asking for number 2

What is the abbreviation of potassium (K) written in its noble gas configuration?

The legal system of the united states is ______. a pure common-law tradition largely a common-law tradition with elements of the civil-law tradition an equity-b

What contains a chemical message or code?

What do bacteria have in common with the cells of other living organisms? A. They have the same shape. B. They are made of protein. C. They have a cell

Thomas got 19 problems correct of the 25 problems on a recent math quiz. what percent of the problems on the quiz did he answer correctly?

What is the rodent-like mammal with a squat body and padded feet?

Problems that require solving the three-dimensional schrödinger equation can often be reduced to related one-dimensional problems. an example of this would be t

If the kb of a weak base is 1.1 × 10-6 m, what is the ph of a 0.49 m solution of this base?

Read the passage. excerpt from Act I, Scene 1, in A Midsummer Night's Dream by William Shakespeare Lysander Demetrius, I’ll avouch it to his head, Made love to