Gal6mera9stcr Gal6mera9stcr

11-06-2016
Mathematics

contestada

Solve the quadratic equation by completing the square. x2 + 6x + 7 = 0

Respuesta :

11-06-2016

Hello,

x²+2*3x+3²+7-9=0
==>(x+3)²-2=0
==>(x+3-√2)(x+3+√2)=0
==> x=-3+√2 or x=-3-√2

Answer Link

Otras preguntas

What is the answer??

Why would you conduct a self-interview when writing an autobiography?

How does eating contribute to the flow of energy in an ecosystem?

What was the political importance of the deceleration of independence

Which of the following is a true statement about reading poetry out loud? No punctuation in a line of poetry tells you to continue to the next line without p

Evaluate the expression when y = 4. 5 + y + 8

Pierce conducts an experiment in which waves collide in a way that the energy increases, which means that has occurred

Which of these quotations from the poem contains a coordinating conjunction? A. “How the monster relished his savage war / On the Danes,” B. “Remember, / Hroth

PLZZ HELP ME 15 PTS!!!!! You purchase a car using a $20,000 loan with a 5% simple interest rate. (a) Suppose you pay the loan off after 4 years. How much inter

20 POINTS Can someone explain to me the similarities of a Canyon, Volcano, Mesa, and a Plain?