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

The average car sold from dealership a is 25,700. If the salesperson receives 1.5% commission on the price of the car, how much commission is made on a average

If my message contained private personal information, the message should be marked _____ to indicate to the recipient that the content should not be shared open

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? Hint: cap s sub n equals start fraction a sub one left parenthesis one minus r t

$30 to spend on dinner tax and gratuity at mos restaurant rax is 6% and they give a 15% tip on the total bill after taxes thier dinner cost $21 which statement

Please help! I've been working on this for a few days and I just don't understand, it's due in a few hours. Thank you.The direction of a vector is defined as th

A train departs from its station at a constant acceleration of 5 m/s. What is the speed of the train at the end of 20s?

What was the main objective of the national origins act of 1924

Plz help will mark! The diagram shows the positions of the sun, moon and Earth during spring tides, when the high tides are at their highest and low tides at th

Which ordered pair identifies a point in Quadrant IV? A) (2, 5) B) (0, 1) C) (-1, -1) D) (12, -5) Which quadrant is (-4,-6) in? A) I. B) I

in the metaphor or language as a layer cake ( presented in your study unit), which of the following words could be considered a "frosting" word? A. Frequently