leelee3214h leelee3214h

02-09-2017
Mathematics

contestada

what is x squared plus six x minus twenty seven =0

Respuesta :

WojtekR WojtekR

02-09-2017

[tex]x^2+6x-27=0\\\\x^2-3x+9x-27=0\\\\x\big(x-3\big)+9\big(x-3\big)=0\\\\\big(x+9\big)\big(x-3\big)=0\\\\\\x+9=0\qquad\vee\qquad x-3=0\\\\\boxed{x=-9\qquad\vee\qquad x=3}[/tex]

Answer Link

Otras preguntas

Two numbers have the same digits in the millions period, the same ditties in the thousands period, and the same digits in the ones period. Do these two numbers

Which of the following best describes the relationship between the United States and the Philippines at the start of the 20th century? a. The United States dec

slove the equation 2x^2(6y^3) (2x^2 y)

what is the unit rate in 49 points in 7 games

What is a centicube

598500 rounded to thousand

Elements that can be described by the hardness shininess and ductility

Which is the BEST explanation of Karma according to the Hindu faith? a. the religious duty one has to their fellow religious followers b. one's actions in thi

What is two added to double a number in algebraic expression

Mrs Frazier is making costumes for the school play. Each costume requires 0.75 yards of fabric. She bought 6 yards of fabric. How many costumes can Mrs Frazier