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 religion helped to unite the people of Europe during the Middle Ages? Hinduism Islam Christianity Judaism

Who led Japan during World War II? Adolf Hitler Benito Mussolini Hideki Tojo Franklin Roosevelt

round 38.86 to one decimal place

What is the relationship among proportional relationships lines, rates of change, and slope?

How could you use the property to compute 2x8x2 mentally

As food became more abundant, fewer people were needed in the fields. As a result, some people...

Which word in the sentence is an adjective? A wooden fence wrapped around the pool. a. fence b. around c. wooden d. pool

how does the geography impact the climate of argentina?

. How did the Civil War lead to the Second Industrial Revolution in the United States

Soil liquefaction occurs when